New York City Marks 11th Anniversary Of September 11th Attacks

NEW YORK - SEPTEMBER 11: Vasanta Velamuri of Avenel, New Jersey touches the impression of her husband Sankara Sastry Velamuri's name, on the rim of the South Pool during ceremonies for the eleventh anniversary of the terrorist attacks on lower Manhattan at the World Trade Center site September 11, 2012 in New York City. New York City and the nation are commemorating the eleventh anniversary of the September 11, 2001 attacks which resulted in the deaths of nearly 3,000 people after two hijacked planes crashed into the World Trade Center, one into the Pentagon in Arlington, Virginia and one crash landed in Shanksville, Pennsylvania. (Photo by Craig Ruttle-Pool/Getty Images)

New York City Marks 11th Anniversary Of September 11th Attacks

NEW YORK, NY - SEPTEMBER 11: The World Trade Center site is reflected on a piece of marble on the eleventh anniversary of the terrorist attacks September 11, 2012 in New York City. New York City and the nation are commemorating the eleventh anniversary of the September 11, 2001 attacks which resulted in the deaths of nearly 3,000 people after two hijacked planes crashed into the World Trade Center, one into the Pentagon in Arlington, Virginia and one crash landed in Shanksville, Pennsylvania. (Photo by Spencer Platt/Getty Images)

New York City Marks 11th Anniversary Of September 11th Attacks

NEW YORK, NY - SEPTEMBER 11: New York City firefighters of Engine 33, Ladder 9 observe a moment of silence during ceremonies for the eleventh anniversary of the terrorist attacks on lower Manhattan at the World Trade Center on September 11, 2012 in New York City. Engine 33, Ladder 9 lost ten firefighters in the attacks. New York City and the nation are commemorating the eleventh anniversary of the September 11, 2001 attacks which resulted in the deaths of nearly 3,000 people after two hijacked planes crashed into the World Trade Center, one into the Pentagon in Arlington, Virginia and one crash landed in Shanksville, Pennsylvania. (Photo by Mario Tama/Getty Images)

New York City Marks 11th Anniversary Of September 11th Attacks

NEW YORK - SEPTEMBER 11: Kio Jung Chu touches her daughter Pamela Chu's engraved name during memorial ceremonies for the eleventh anniversary of the terrorist attacks on lower Manhattan at the World Trade Center site September 11, 2012 in New York City. New York City and the nation are commemorating the eleventh anniversary of the September 11, 2001 attacks which resulted in the deaths of nearly 3,000 people after two hijacked planes crashed into the World Trade Center, one into the Pentagon in Arlington, Virginia and one crash landed in Shanksville, Pennsylvania. (Photo by Chang W. Lee-Pool/Getty Images)

New York City Marks 11th Anniversary Of September 11th Attacks

NEW YORK - SEPTEMBER 11: Zachary Ellicott who lost a family member Keith James Burns, observes a moment of silence for US Flight 93 that crashed near Shanksville, Pennsylvania, during memorial ceremonies for the eleventh anniversary of the terrorist attacks on lower Manhattan at the World Trade Center site September 11, 2012 in New York City. New York City and the nation are commemorating the eleventh anniversary of the September 11, 2001 attacks which resulted in the deaths of nearly 3,000 people after two hijacked planes crashed into the World Trade Center, one into the Pentagon in Arlington, Virginia and one crash landed in Shanksville, Pennsylvania. (Photo by Chang W. Lee-Pool/Getty Images)

New York City Marks 11th Anniversary Of September 11th Attacks

NEW YORK - SEPTEMBER 11: Frances Mercado visits the engraved name of her sister Myrna T. Maldonado-Agosto during memorial ceremonies for the eleventh anniversary of the terrorist attacks on lower Manhattan at the World Trade Center site September 11, 2012 in New York City. New York City and the nation are commemorating the eleventh anniversary of the September 11, 2001 attacks which resulted in the deaths of nearly 3,000 people after two hijacked planes crashed into the World Trade Center, one into the Pentagon in Arlington, Virginia and one crash landed in Shanksville, Pennsylvania. (Photo by Chang W. Lee-Pool/Getty Images)

New York City Marks 11th Anniversary Of September 11th Attacks

NEW YORK - SEPTEMBER 11: Julia Rivas cries as she holds a picture of her son Moises N. Rivas who died in the World Trade Center attack during memorial ceremonies for the eleventh anniversary of the terrorist attacks on lower Manhattan at the World Trade Center site September 11, 2012 in New York City. New York City and the nation are commemorating the eleventh anniversary of the September 11, 2001 attacks which resulted in the deaths of nearly 3,000 people after two hijacked planes crashed into the World Trade Center, one into the Pentagon in Arlington, Virginia and one crash landed in Shanksville, Pennsylvania. (Photo by Chang W. Lee-Pool/Getty Images)

New York City Marks 11th Anniversary Of September 11th Attacks

NEW YORK - SEPTEMBER 11: Julia Rivas cries as she holds a picture of her son Moises N. Rivas who died in the World Trade Center attack during memorial ceremonies for the eleventh anniversary of the terrorist attacks on lower Manhattan at the World Trade Center site September 11, 2012 in New York City. New York City and the nation are commemorating the eleventh anniversary of the September 11, 2001 attacks which resulted in the deaths of nearly 3,000 people after two hijacked planes crashed into the World Trade Center, one into the Pentagon in Arlington, Virginia and one crash landed in Shanksville, Pennsylvania. (Photo by Chang W. Lee-Pool/Getty Images)

New York City Marks 11th Anniversary Of September 11th Attacks

NEW YORK - SEPTEMBER 11: Frances Mercado (L) and her husband Rafael Mercado Jr. visit the engraved name of Frances' sister Myrna T. Maldonado-Agosto during memorial ceremonies for the eleventh anniversary of the terrorist attacks on lower Manhattan at the World Trade Center site September 11, 2012 in New York City. New York City and the nation are commemorating the eleventh anniversary of the September 11, 2001 attacks which resulted in the deaths of nearly 3,000 people after two hijacked planes crashed into the World Trade Center, one into the Pentagon in Arlington, Virginia and one crash landed in Shanksville, Pennsylvania. (Photo by Chang W. Lee-Pool/Getty Images)

New York City Marks 11th Anniversary Of September 11th Attacks

NEW YORK - SEPTEMBER 11: People stand at the edge of the North Pool during a moment of silence during observances for the eleventh anniversary of the terrorist attacks on lower Manhattan at the World Trade Center site September 11, 2012 in New York City. The nation is commemorating the eleventh anniversary of the September 11, 2001 attacks which resulted in the deaths of nearly 3,000 people after two hijacked planes crashed into the World Trade Center, one into the Pentagon in Arlington, Virginia and one crash landed in Shanksville, Pennsylvania. (Photo by Mike Segar-Pool/Getty Images)

New York City Marks 11th Anniversary Of September 11th Attacks

NEW YORK - SEPTEMBER 11: Rema Weiser, Virginia Pacheco and Dinah Pacheco pause at the edge of the North Pool during observances for the eleventh anniversary of the terrorist attacks on lower Manhattan at the World Trade Center site September 11, 2012 in New York City. The nation is commemorating the eleventh anniversary of the September 11, 2001 attacks which resulted in the deaths of nearly 3,000 people after two hijacked planes crashed into the World Trade Center, one into the Pentagon in Arlington, Virginia and one crash landed in Shanksville, Pennsylvania. (Photo by Mike Segar-Pool/Getty Images)

New York City Marks 11th Anniversary Of September 11th Attacks

NEW YORK - SEPTEMBER 11: People stand at the edge of the North Pool during a moment of silence during observances for the eleventh anniversary of the terrorist attacks on lower Manhattan at the World Trade Center site September 11, 2012 in New York City. The nation is commemorating the eleventh anniversary of the September 11, 2001 attacks which resulted in the deaths of nearly 3,000 people after two hijacked planes crashed into the World Trade Center, one into the Pentagon in Arlington, Virginia and one crash landed in Shanksville, Pennsylvania. (Photo by Mike Segar-Pool/Getty Images)

New York City Marks 11th Anniversary Of September 11th Attacks

NEW YORK - SEPTEMBER 11: Two women stand at the edge of the North Pool during observances for the eleventh anniversary of the terrorist attacks on lower Manhattan at the World Trade Center site September 11, 2012 in New York City. The nation is commemorating the eleventh anniversary of the September 11, 2001 attacks which resulted in the deaths of nearly 3,000 people after two hijacked planes crashed into the World Trade Center, one into the Pentagon in Arlington, Virginia and one crash landed in Shanksville, Pennsylvania. (Photo by Mike Segar-Pool/Getty Images)

New York City Marks 11th Anniversary Of September 11th Attacks

NEW YORK - SEPTEMBER 11: A flower left on the wall at the South Tower pool during observances for the eleventh anniversary of the terrorist attacks on lower Manhattan at the World Trade Center site September 11, 2012 in New York City. The nation is commemorating the eleventh anniversary of the September 11, 2001 attacks which resulted in the deaths of nearly 3,000 people after two hijacked planes crashed into the World Trade Center, one into the Pentagon in Arlington, Virginia and one crash landed in Shanksville, Pennsylvania. (Photo by Timothy A. Clary-Pool/Getty Images)

New York City Marks 11th Anniversary Of September 11th Attacks

NEW YORK - SEPTEMBER 11: Family members gather wall at the South Tower pool during observances for the eleventh anniversary of the terrorist attacks on lower Manhattan at the World Trade Center site September 11, 2012 in New York City. The nation is commemorating the eleventh anniversary of the September 11, 2001 attacks which resulted in the deaths of nearly 3,000 people after two hijacked planes crashed into the World Trade Center, one into the Pentagon in Arlington, Virginia and one crash landed in Shanksville, Pennsylvania. (Photo by Timothy A. Clary-Pool/Getty Images)

New York City Marks 11th Anniversary Of September 11th Attacks

NEW YORK - SEPTEMBER 11: Flags left on the wall at the South Tower pool during observances for the eleventh anniversary of the terrorist attacks on lower Manhattan at the World Trade Center site September 11, 2012 in New York City. The nation is commemorating the eleventh anniversary of the September 11, 2001 attacks which resulted in the deaths of nearly 3,000 people after two hijacked planes crashed into the World Trade Center, one into the Pentagon in Arlington, Virginia and one crash landed in Shanksville, Pennsylvania. (Photo by Timothy A. Clary-Pool/Getty Images)

Memorial Held At World Trade Center Site On 11th Anniversary Of Sept. 11 Attacks

NEW YORK - SEPTEMBER 11: Firemen pay there respects at the 9/11 memorial during ceremonies for the eleventh anniversary of the terrorist attacks on lower Manhattan at the World Trade Center on September 11, 2012 in New York City. New York City and the nation are commemorating the eleventh anniversary of the September 11, 2001 attacks which resulted in the deaths of nearly 3,000 people after two hijacked planes crashed into the World Trade Center, one into the Pentagon in Arlington, Virginia and one crash landed in Shanksville, Pennsylvania. (Photo by John Moore/Getty Images)

New York City Marks 11th Anniversary Of September 11th Attacks

NEW YORK - SEPTEMBER 11: Brian McAleese honors his namesake, uncle Brian McAleese of Engine 226 at the reflecting pool during observances for the eleventh anniversary of the terrorist attacks on lower Manhattan at the World Trade Center site September 11, 2012 in New York City. The nation is commemorating the eleventh anniversary of the September 11, 2001 attacks which resulted in the deaths of nearly 3,000 people after two hijacked planes crashed into the World Trade Center, one into the Pentagon in Arlington, Virginia and one crash landed in Shanksville, Pennsylvania. (Photo by Todd Maisel-Pool/Getty Images)

New York City Marks 11th Anniversary Of September 11th Attacks

NEW YORK - SEPTEMBER 11: People stand at the reflecting pool during observances for the eleventh anniversary of the terrorist attacks on lower Manhattan at the World Trade Center site September 11, 2012 in New York City. The nation is commemorating the eleventh anniversary of the September 11, 2001 attacks which resulted in the deaths of nearly 3,000 people after two hijacked planes crashed into the World Trade Center, one into the Pentagon in Arlington, Virginia and one crash landed in Shanksville, Pennsylvania. (Photo by Todd Maisel-Pool/Getty Images)

New York City Marks 11th Anniversary Of September 11th Attacks

NEW YORK - SEPTEMBER 11: People stand at the reflecting pool during observances for the eleventh anniversary of the terrorist attacks on lower Manhattan at the World Trade Center site September 11, 2012 in New York City. The nation is commemorating the eleventh anniversary of the September 11, 2001 attacks which resulted in the deaths of nearly 3,000 people after two hijacked planes crashed into the World Trade Center, one into the Pentagon in Arlington, Virginia and one crash landed in Shanksville, Pennsylvania. (Photo by Todd Maisel-Pool/Getty Images)

New York City Marks 11th Anniversary Of September 11th Attacks

NEW YORK - SEPTEMBER 11: Christine Box (R), sister of Firefighter Gary Box of Squad 1, remembers her brother with her daughter Nikki Silva at the reflecting pool during observances for the eleventh anniversary of the terrorist attacks on lower Manhattan at the World Trade Center site September 11, 2012 in New York City. The nation is commemorating the eleventh anniversary of the September 11, 2001 attacks which resulted in the deaths of nearly 3,000 people after two hijacked planes crashed into the World Trade Center, one into the Pentagon in Arlington, Virginia and one crash landed in Shanksville, Pennsylvania. (Photo by Todd Maisel-Pool/Getty Images)

New York City Marks 11th Anniversary Of September 11th Attacks

NEW YORK - SEPTEMBER 11: Victoria Giordano remembers her dad, Firefighter Jeffrey Giordano of Rescue 1 at the reflecting pool during observances for the eleventh anniversary of the terrorist attacks on lower Manhattan at the World Trade Center site September 11, 2012 in New York City. The nation is commemorating the eleventh anniversary of the September 11, 2001 attacks which resulted in the deaths of nearly 3,000 people after two hijacked planes crashed into the World Trade Center, one into the Pentagon in Arlington, Virginia and one crash landed in Shanksville, Pennsylvania. (Photo by Todd Maisel-Pool/Getty Images)

New York City Marks 11th Anniversary Of September 11th Attacks

NEW YORK - SEPTEMBER 11: New York Fire Commissioner Sal Cassano stands at the reflecting pool during observances for the eleventh anniversary of the terrorist attacks on lower Manhattan at the World Trade Center site September 11, 2012 in New York City. The nation is commemorating the eleventh anniversary of the September 11, 2001 attacks which resulted in the deaths of nearly 3,000 people after two hijacked planes crashed into the World Trade Center, one into the Pentagon in Arlington, Virginia and one crash landed in Shanksville, Pennsylvania. (Photo by Todd Maisel-Pool/Getty Images)

New York City Marks 11th Anniversary Of September 11th Attacks

NEW YORK, NY - SEPTEMBER 11: The sister of firefighter Manny Del Valle, J.r. holds a picture of him across from the World Trade Center site on the eleventh anniversary of the terrorist attacks September 11, 2012 in New York City. New York City and the nation are commemorating the eleventh anniversary of the September 11, 2001 attacks which resulted in the deaths of nearly 3,000 people after two hijacked planes crashed into the World Trade Center, one into the Pentagon in Arlington, Virginia and one crash landed in Shanksville, Pennsylvania. (Photo by Spencer Platt/Getty Images)

New York City Marks 11th Anniversary Of September 11th Attacks

NEW YORK, NY - SEPTEMBER 11: People pause outside of the World Trade Center site on the eleventh anniversary of the terrorist attacks September 11, 2012 in New York City. New York City and the nation are commemorating the eleventh anniversary of the September 11, 2001 attacks which resulted in the deaths of nearly 3,000 people after two hijacked planes crashed into the World Trade Center, one into the Pentagon in Arlington, Virginia and one crash landed in Shanksville, Pennsylvania. (Photo by Spencer Platt/Getty Images)

New York City Marks 11th Anniversary Of September 11th Attacks

NEW YORK, NY - SEPTEMBER 11: Kowan Skinner holds up a flag in memory of his father Frank Neil Davis across from the World Trade Center site on the eleventh anniversary of the terrorist attacks September 11, 2012 in New York City. New York City and the nation are commemorating the eleventh anniversary of the September 11, 2001 attacks which resulted in the deaths of nearly 3,000 people after two hijacked planes crashed into the World Trade Center, one into the Pentagon in Arlington, Virginia and one crash landed in Shanksville, Pennsylvania. (Photo by Spencer Platt/Getty Images)

New York City Marks 11th Anniversary Of September 11th Attacks

NEW YORK, NY - SEPTEMBER 11: New York City firefighters gather at Engine 33, Ladder 9 between ceremonies for the eleventh anniversary of the terrorist attacks on lower Manhattan at the World Trade Center on September 11, 2012 in New York City. Engine 33, Ladder 9 lost ten firefighters in the attacks. New York City and the nation are commemorating the eleventh anniversary of the September 11, 2001 attacks which resulted in the deaths of nearly 3,000 people after two hijacked planes crashed into the World Trade Center, one into the Pentagon in Arlington, Virginia and one crash landed in Shanksville, Pennsylvania. (Photo by Mario Tama/Getty Images)

New York City Marks 11th Anniversary Of September 11th Attacks

NEW YORK, NY - SEPTEMBER 11: A woman hugs an New York City firefighter at Engine 33, Ladder 9 during ceremonies for the eleventh anniversary of the terrorist attacks on lower Manhattan at the World Trade Center on September 11, 2012 in New York City. Engine 33, Ladder 9 lost ten firefighters in the attacks. New York City and the nation are commemorating the eleventh anniversary of the September 11, 2001 attacks which resulted in the deaths of nearly 3,000 people after two hijacked planes crashed into the World Trade Center, one into the Pentagon in Arlington, Virginia and one crash landed in Shanksville, Pennsylvania. (Photo by Mario Tama/Getty Images)

New York City Marks 11th Anniversary Of September 11th Attacks

NEW YORK, NY - SEPTEMBER 11: A woman bikes past a firetruck parked outside New York City Engine 33, Ladder 9 between ceremonies for the eleventh anniversary of the terrorist attacks on lower Manhattan at the World Trade Center on September 11, 2012 in New York City. Engine 33, Ladder 9 lost ten firefighters in the attacks. New York City and the nation are commemorating the eleventh anniversary of the September 11, 2001 attacks which resulted in the deaths of nearly 3,000 people after two hijacked planes crashed into the World Trade Center, one into the Pentagon in Arlington, Virginia and one crash landed in Shanksville, Pennsylvania. (Photo by Mario Tama/Getty Images)

New York City Marks 11th Anniversary Of September 11th Attacks

NEW YORK - SEPTEMBER 11: Marina Arevalo holds a portrait of her son Kenny Lira during observances for the eleventh anniversary of the terrorist attacks on lower Manhattan at the World Trade Center site September 11, 2012 in New York City. The nation is commemorating the eleventh anniversary of the September 11, 2001 attacks which resulted in the deaths of nearly 3,000 people after two hijacked planes crashed into the World Trade Center, one into the Pentagon in Arlington, Virginia and one crash landed in Shanksville, Pennsylvania. (Photo by Mary Altaffer-Pool/Getty Images)

New York City Marks 11th Anniversary Of September 11th Attacks

NEW YORK - SEPTEMBER 11: Former New York Gov. George Pataki, former New York City Mayor Rudy Giuliani, New York City Mayor Michael Bloomberg, New York Gov. Andrew Cuomo, New Jersey Gov. Chris Christie, Port Authority chairman David Samson, and Homeland Security Chief Janet Napolitano stand at attention during observances for the eleventh anniversary of the terrorist attacks on lower Manhattan at the World Trade Center site September 11, 2012 in New York City. The nation is commemorating the eleventh anniversary of the September 11, 2001 attacks which resulted in the deaths of nearly 3,000 people after two hijacked planes crashed into the World Trade Center, one into the Pentagon in Arlington, Virginia and one crash landed in Shanksville, Pennsylvania. (Photo by Mary Altaffer-Pool/Getty Images)

New York City Marks 11th Anniversary Of September 11th Attacks

NEW YORK - SEPTEMBER 11: Firefighter pay their respects at one of the reflective pools during observances for the eleventh anniversary of the terrorist attacks on lower Manhattan at the World Trade Center site September 11, 2012 in New York City. The nation is commemorating the eleventh anniversary of the September 11, 2001 attacks which resulted in the deaths of nearly 3,000 people after two hijacked planes crashed into the World Trade Center, one into the Pentagon in Arlington, Virginia and one crash landed in Shanksville, Pennsylvania. (Photo by Mary Altaffer-Pool/Getty Images)

New York City Marks 11th Anniversary Of September 11th Attacks

NEW YORK - SEPTEMBER 11: An American flag is placed near the names of victims from the Pentagon during observances for the eleventh anniversary of the terrorist attacks on lower Manhattan at the World Trade Center site September 11, 2012 in New York City. The nation is commemorating the eleventh anniversary of the September 11, 2001 attacks which resulted in the deaths of nearly 3,000 people after two hijacked planes crashed into the World Trade Center, one into the Pentagon in Arlington, Virginia and one crash landed in Shanksville, Pennsylvania. (Photo by Mary Altaffer-Pool/Getty Images)

New York City Marks 11th Anniversary Of September 11th Attacks

NEW YORK - SEPTEMBER 11: People stand at the edge of the South Pool during memorial ceremonies for the eleventh anniversary of the terrorist attacks on lower Manhattan at the World Trade Center site September 11, 2012 in New York City. New York City and the nation are commemorating the eleventh anniversary of the September 11, 2001 attacks which resulted in the deaths of nearly 3,000 people after two hijacked planes crashed into the World Trade Center, one into the Pentagon in Arlington, Virginia and one crash landed in Shanksville, Pennsylvania. (Photo by Justin Lane-Pool/Getty Images)

New York City Marks 11th Anniversary Of September 11th Attacks

NEW YORK - SEPTEMBER 11: A flower sits in the engravings of people's names during memorial ceremonies for the eleventh anniversary of the terrorist attacks on lower Manhattan at the World Trade Center site September 11, 2012 in New York City. New York City and the nation are commemorating the eleventh anniversary of the September 11, 2001 attacks which resulted in the deaths of nearly 3,000 people after two hijacked planes crashed into the World Trade Center, one into the Pentagon in Arlington, Virginia and one crash landed in Shanksville, Pennsylvania. (Photo by Justin Lane-Pool/Getty Images)

New York City Marks 11th Anniversary Of September 11th Attacks

NEW YORK - SEPTEMBER 11: Marshall Rodriguez of New York holds an American flag at the edge of the South Pool while visiting the names of friends he lost during memorial ceremonies for the eleventh anniversary of the terrorist attacks on lower Manhattan at the World Trade Center site September 11, 2012 in New York City. New York City and the nation are commemorating the eleventh anniversary of the September 11, 2001 attacks which resulted in the deaths of nearly 3,000 people after two hijacked planes crashed into the World Trade Center, one into the Pentagon in Arlington, Virginia and one crash landed in Shanksville, Pennsylvania. (Photo by Justin Lane-Pool/Getty Images)

New York City Marks 11th Anniversary Of September 11th Attacks

NEW YORK, NY - SEPTEMBER 11: New York City firefighters of Engine 33, Ladder 9 observe a moment of silence during ceremonies for the eleventh anniversary of the terrorist attacks on lower Manhattan at the World Trade Center on September 11, 2012 in New York City. Engine 33, Ladder 9 lost ten firefighters in the attacks. New York City and the nation are commemorating the eleventh anniversary of the September 11, 2001 attacks which resulted in the deaths of nearly 3,000 people after two hijacked planes crashed into the World Trade Center, one into the Pentagon in Arlington, Virginia and one crash landed in Shanksville, Pennsylvania. (Photo by Mario Tama/Getty Images)

New York City Marks 11th Anniversary Of September 11th Attacks

NEW YORK, NY - SEPTEMBER 11: New York City firefighters at Engine 33, Ladder 9 gather between ceremonies for the eleventh anniversary of the terrorist attacks on lower Manhattan at the World Trade Center on September 11, 2012 in New York City. Engine 33, Ladder 9 lost ten firefighters in the attacks. New York City and the nation are commemorating the eleventh anniversary of the September 11, 2001 attacks which resulted in the deaths of nearly 3,000 people after two hijacked planes crashed into the World Trade Center, one into the Pentagon in Arlington, Virginia and one crash landed in Shanksville, Pennsylvania. (Photo by Mario Tama/Getty Images)

New York City Marks 11th Anniversary Of September 11th Attacks

NEW YORK, NY - SEPTEMBER 11: New York City firefighters of Engine 33, Ladder 9 observe a moment of silence during ceremonies for the eleventh anniversary of the terrorist attacks on lower Manhattan at the World Trade Center on September 11, 2012 in New York City. Engine 33, Ladder 9 lost ten firefighters in the attacks. New York City and the nation are commemorating the eleventh anniversary of the September 11, 2001 attacks which resulted in the deaths of nearly 3,000 people after two hijacked planes crashed into the World Trade Center, one into the Pentagon in Arlington, Virginia and one crash landed in Shanksville, Pennsylvania. (Photo by Mario Tama/Getty Images)

New York City Marks 11th Anniversary Of September 11th Attacks

NEW YORK, NY - SEPTEMBER 11: New York City firefighters of Engine 33, Ladder 9 observe a moment of silence during ceremonies for the eleventh anniversary of the terrorist attacks on lower Manhattan at the World Trade Center on September 11, 2012 in New York City. Engine 33, Ladder 9 lost ten firefighters in the attacks. New York City and the nation are commemorating the eleventh anniversary of the September 11, 2001 attacks which resulted in the deaths of nearly 3,000 people after two hijacked planes crashed into the World Trade Center, one into the Pentagon in Arlington, Virginia and one crash landed in Shanksville, Pennsylvania. (Photo by Mario Tama/Getty Images)

Memorial Held At World Trade Center Site On 11th Anniversary Of Sept. 11 Attacks

NEW YORK - SEPTEMBER 11: A family member views the names of victims engraved into the 9/11 Memorial during ceremonies for the eleventh anniversary of the terrorist attacks on lower Manhattan at the World Trade Center on September 11, 2012 in New York City. New York City and the nation are commemorating the eleventh anniversary of the September 11, 2001 attacks which resulted in the deaths of nearly 3,000 people after two hijacked planes crashed into the World Trade Center, one into the Pentagon in Arlington, Virginia and one crash landed in Shanksville, Pennsylvania. (Photo by John Moore/Getty Images)

Memorial Held At World Trade Center Site On 11th Anniversary Of Sept. 11 Attacks

NEW YORK - SEPTEMBER 11: New York City Police Cossissioner Ray Kelly (R), walks with a participant during ceremonies for the eleventh anniversary of the terrorist attacks on lower Manhattan at the World Trade Center on September 11, 2012 in New York City. New York City and the nation are commemorating the eleventh anniversary of the September 11, 2001 attacks which resulted in the deaths of nearly 3,000 people after two hijacked planes crashed into the World Trade Center, one into the Pentagon in Arlington, Virginia and one crash landed in Shanksville, Pennsylvania. (Photo by John Moore/Getty Images)

Memorial Held At World Trade Center Site On 11th Anniversary Of Sept. 11 Attacks

NEW YORK - SEPTEMBER 11: Andrew Timson, 7, makes a rubbing of the name of his slain uncle Andrew Fisher during ceremonies for the eleventh anniversary of the terrorist attacks on lower Manhattan at the World Trade Center on September 11, 2012 in New York City. New York City and the nation are commemorating the eleventh anniversary of the September 11, 2001 attacks which resulted in the deaths of nearly 3,000 people after two hijacked planes crashed into the World Trade Center, one into the Pentagon in Arlington, Virginia and one crash landed in Shanksville, Pennsylvania. (Photo by John Moore/Getty Images)

Memorial Held At World Trade Center Site On 11th Anniversary Of Sept. 11 Attacks

NEW YORK - SEPTEMBER 11: U.S. Army 2LT Michelle Mudge wipes away a tear during ceremonies for the eleventh anniversary of the terrorist attacks on lower Manhattan at the World Trade Center on September 11, 2012 in New York City. New York City and the nation are commemorating the eleventh anniversary of the September 11, 2001 attacks which resulted in the deaths of nearly 3,000 people after two hijacked planes crashed into the World Trade Center, one into the Pentagon in Arlington, Virginia and one crash landed in Shanksville, Pennsylvania. (Photo by John Moore/Getty Images)

Memorial Held At World Trade Center Site On 11th Anniversary Of Sept. 11 Attacks

NEW YORK - SEPTEMBER 11: Nina Fisher (L), sister of 9/11 victim Andrew Fisher, embraces her niece Mia Tinson, 9, during ceremonies for the eleventh anniversary of the terrorist attacks on lower Manhattan at the World Trade Center on September 11, 2012 in New York City. New York City and the nation are commemorating the eleventh anniversary of the September 11, 2001 attacks which resulted in the deaths of nearly 3,000 people after two hijacked planes crashed into the World Trade Center, one into the Pentagon in Arlington, Virginia and one crash landed in Shanksville, Pennsylvania. (Photo by John Moore/Getty Images)

Memorial Held At World Trade Center Site On 11th Anniversary Of Sept. 11 Attacks

NEW YORK - SEPTEMBER 11: People look at the names engraved into the 9/11 Memorial during ceremonies for the eleventh anniversary of the terrorist attacks on lower Manhattan at the World Trade Center on September 11, 2012 in New York City. New York City and the nation are commemorating the eleventh anniversary of the September 11, 2001 attacks which resulted in the deaths of nearly 3,000 people after two hijacked planes crashed into the World Trade Center, one into the Pentagon in Arlington, Virginia and one crash landed in Shanksville, Pennsylvania. (Photo by John Moore/Getty Images)

New York City Marks 11th Anniversary Of September 11th Attacks

NEW YORK - SEPTEMBER 11: A boy takes a rubbing of names inscribed on the reflecting pool before the start of the memorial ceremonies for the eleventh anniversary of the terrorist attacks on lower Manhattan at the World Trade Center site September 11, 2012 in New York City. The nation is commemorating the eleventh anniversary of the September 11, 2001 attacks which resulted in the deaths of nearly 3,000 people after two hijacked planes crashed into the World Trade Center, one into the Pentagon in Arlington, Virginia and one crash landed in Shanksville, Pennsylvania. (Photo by Todd Maisel-Pool/Getty Images)

New York City Marks 11th Anniversary Of September 11th Attacks

NEW YORK - SEPTEMBER 11: A woman cries as she stands over the reflecting pool during observances for the eleventh anniversary of the terrorist attacks on lower Manhattan at the World Trade Center site September 11, 2012 in New York City. The nation is commemorating the eleventh anniversary of the September 11, 2001 attacks which resulted in the deaths of nearly 3,000 people after two hijacked planes crashed into the World Trade Center, one into the Pentagon in Arlington, Virginia and one crash landed in Shanksville, Pennsylvania. (Photo by Todd Maisel-Pool/Getty Images)

New York City Marks 11th Anniversary Of September 11th Attacks

NEW YORK - SEPTEMBER 11: Fire and police officers hold a large American flag during memorial ceremonies for the eleventh anniversary of the terrorist attacks on lower Manhattan at the World Trade Center site September 11, 2012 in New York City. The nation is commemorating the eleventh anniversary of the September 11, 2001 attacks which resulted in the deaths of nearly 3,000 people after two hijacked planes crashed into the World Trade Center, one into the Pentagon in Arlington, Virginia and one crash landed in Shanksville, Pennsylvania. (Photo by Todd Maisel-Pool/Getty Images)

New York City Marks 11th Anniversary Of September 11th Attacks

NEW YORK - SEPTEMBER 11: U.S. Sen. Charles Schumer (D-NY) (R) U.S. Sen. Kristen Gilibrand (D-NY) (2nd R) stand by the South Pool during memorial ceremonies for the eleventh anniversary of the terrorist attacks on lower Manhattan at the World Trade Center site September 11, 2012 in New York City. New York City and the nation are commemorating the eleventh anniversary of the September 11, 2001 attacks which resulted in the deaths of nearly 3,000 people after two hijacked planes crashed into the World Trade Center, one into the Pentagon in Arlington, Virginia and one crash landed in Shanksville, Pennsylvania. (Photo by Justin Lane-Pool/Getty Images)

New York City Marks 11th Anniversary Of September 11th Attacks

NEW YORK - SEPTEMBER 11: New Jersey Gov. Chris Christie (2nd L) talks with a woman during memorial ceremonies for the eleventh anniversary of the terrorist attacks on lower Manhattan at the World Trade Center site September 11, 2012 in New York City. New York City and the nation are commemorating the eleventh anniversary of the September 11, 2001 attacks which resulted in the deaths of nearly 3,000 people after two hijacked planes crashed into the World Trade Center, one into the Pentagon in Arlington, Virginia and one crash landed in Shanksville, Pennsylvania. (Photo by Justin Lane-Pool/Getty Images)

New York City Marks 11th Anniversary Of September 11th Attacks

NEW YORK - SEPTEMBER 11: A folded American flag sits by the section of engraved names of those who died at the Pentagon during memorial ceremonies for the eleventh anniversary of the terrorist attacks on lower Manhattan at the World Trade Center site September 11, 2012 in New York City. New York City and the nation are commemorating the eleventh anniversary of the September 11, 2001 attacks which resulted in the deaths of nearly 3,000 people after two hijacked planes crashed into the World Trade Center, one into the Pentagon in Arlington, Virginia and one crash landed in Shanksville, Pennsylvania. (Photo by Justin Lane-Pool/Getty Images)

New York City Marks 11th Anniversary Of September 11th Attacks

NEW YORK - SEPTEMBER 11: Maicia Rodriguez holds a American Flag during a moment of silence at the South Tower pool during observances for the eleventh anniversary of the terrorist attacks on lower Manhattan at the World Trade Center site September 11, 2012 in New York City. The nation is commemorating the eleventh anniversary of the September 11, 2001 attacks which resulted in the deaths of nearly 3,000 people after two hijacked planes crashed into the World Trade Center, one into the Pentagon in Arlington, Virginia and one crash landed in Shanksville, Pennsylvania. (Photo by Timothy A. Clary-Pool/Getty Images)

New York City Marks 11th Anniversary Of September 11th Attacks

NEW YORK - SEPTEMBER 11: Maicia Rodriguez holds a American Flag during a moment of silence at the South Tower pool during observances for the eleventh anniversary of the terrorist attacks on lower Manhattan at the World Trade Center site September 11, 2012 in New York City. The nation is commemorating the eleventh anniversary of the September 11, 2001 attacks which resulted in the deaths of nearly 3,000 people after two hijacked planes crashed into the World Trade Center, one into the Pentagon in Arlington, Virginia and one crash landed in Shanksville, Pennsylvania. (Photo by Timothy A. Clary-Pool/Getty Images)

New York City Marks 11th Anniversary Of September 11th Attacks

NEW YORK - SEPTEMBER 11: New Jersey Gov. Chris Christie (L) stands with Paul Nunziato President at Port Authority Police Benevolent Association at the South Tower pool during observances for the eleventh anniversary of the terrorist attacks on lower Manhattan at the World Trade Center site September 11, 2012 in New York City. The nation is commemorating the eleventh anniversary of the September 11, 2001 attacks which resulted in the deaths of nearly 3,000 people after two hijacked planes crashed into the World Trade Center, one into the Pentagon in Arlington, Virginia and one crash landed in Shanksville, Pennsylvania. (Photo by Timothy A. Clary-Pool/Getty Images)

New York City Marks 11th Anniversary Of September 11th Attacks

NEW YORK - SEPTEMBER 11: Members of the American Brothers New York Motorcycle Club watch observances for the eleventh anniversary of the terrorist attacks on lower Manhattan at the World Trade Center site September 11, 2012 in New York City. The nation is commemorating the eleventh anniversary of the September 11, 2001 attacks which resulted in the deaths of nearly 3,000 people after two hijacked planes crashed into the World Trade Center, one into the Pentagon in Arlington, Virginia and one crash landed in Shanksville, Pennsylvania. (Photo by Timothy A. Clary-Pool/Getty Images)

New York City Marks 11th Anniversary Of September 11th Attacks

NEW YORK, NY - SEPTEMBER 11: A man pauses outside of the World Trade Center site on the eleventh anniversary of the terrorist attacks September 11, 2012 in New York City. New York City and the nation are commemorating the eleventh anniversary of the September 11, 2001 attacks which resulted in the deaths of nearly 3,000 people after two hijacked planes crashed into the World Trade Center, one into the Pentagon in Arlington, Virginia and one crash landed in Shanksville, Pennsylvania. (Photo by Spencer Platt/Getty Images)

New York City Marks 11th Anniversary Of September 11th Attacks

NEW YORK, NY - SEPTEMBER 11: People walk near 1 World Trade outside of the World Trade Center site on the eleventh anniversary of the terrorist attacks September 11, 2012 in New York City. New York City and the nation are commemorating the eleventh anniversary of the September 11, 2001 attacks which resulted in the deaths of nearly 3,000 people after two hijacked planes crashed into the World Trade Center, one into the Pentagon in Arlington, Virginia and one crash landed in Shanksville, Pennsylvania. (Photo by Spencer Platt/Getty Images)

New York City Marks 11th Anniversary Of September 11th Attacks

NEW YORK - SEPTEMBER 11: American flags are sit in the engravings of people's names during memorial ceremonies for the eleventh anniversary of the terrorist attacks on lower Manhattan at the World Trade Center site September 11, 2012 in New York City. New York City and the nation are commemorating the eleventh anniversary of the September 11, 2001 attacks which resulted in the deaths of nearly 3,000 people after two hijacked planes crashed into the World Trade Center, one into the Pentagon in Arlington, Virginia and one crash landed in Shanksville, Pennsylvania. (Photo by Justin Lane-Pool/Getty Images)

New York City Marks 11th Anniversary Of September 11th Attacks

NEW YORK - SEPTEMBER 11: Melissa Pullis, of Hazlet, New Jersey, stands at the engraving for her husband Edward during memorial ceremonies for the eleventh anniversary of the terrorist attacks on lower Manhattan at the World Trade Center site September 11, 2012 in New York City. New York City and the nation are commemorating the eleventh anniversary of the September 11, 2001 attacks which resulted in the deaths of nearly 3,000 people after two hijacked planes crashed into the World Trade Center, one into the Pentagon in Arlington, Virginia and one crash landed in Shanksville, Pennsylvania. (Photo by Justin Lane-Pool/Getty Images)

New York City Marks 11th Anniversary Of September 11th Attacks

NEW YORK - SEPTEMBER 11: A woman runs her hand over the engravings of names during memorial ceremonies for the eleventh anniversary of the terrorist attacks on lower Manhattan at the World Trade Center site September 11, 2012 in New York City. New York City and the nation are commemorating the eleventh anniversary of the September 11, 2001 attacks which resulted in the deaths of nearly 3,000 people after two hijacked planes crashed into the World Trade Center, one into the Pentagon in Arlington, Virginia and one crash landed in Shanksville, Pennsylvania. (Photo by Justin Lane-Pool/Getty Images)

New York City Marks 11th Anniversary Of September 11th Attacks

NEW YORK - SEPTEMBER 11: Names of victms sit engraved during memorial ceremonies for the eleventh anniversary of the terrorist attacks on lower Manhattan at the World Trade Center site September 11, 2012 in New York City. New York City and the nation are commemorating the eleventh anniversary of the September 11, 2001 attacks which resulted in the deaths of nearly 3,000 people after two hijacked planes crashed into the World Trade Center, one into the Pentagon in Arlington, Virginia and one crash landed in Shanksville, Pennsylvania. (Photo by Justin Lane-Pool/Getty Images)

New York City Marks 11th Anniversary Of September 11th Attacks

NEW YORK - SEPTEMBER 11: U.S. Sen. Kristen Gilibrand (D-NY) (L) and U.S. Sen. Charles Schumer (D-NY) place American flags in engraved names during memorial ceremonies for the eleventh anniversary of the terrorist attacks on lower Manhattan at the World Trade Center site September 11, 2012 in New York City. New York City and the nation are commemorating the eleventh anniversary of the September 11, 2001 attacks which resulted in the deaths of nearly 3,000 people after two hijacked planes crashed into the World Trade Center, one into the Pentagon in Arlington, Virginia and one crash landed in Shanksville, Pennsylvania. (Photo by Justin Lane-Pool/Getty Images)

New York City Marks 11th Anniversary Of September 11th Attacks

NEW YORK, NY - SEPTEMBER 11: Flowers with a note to a loved one are placed on a railing overlooking lower Manhattan on the eleventh anniversary of the terrorist attacks on September 11, 2012 in the Brooklyn borough of New York City. New York City and the nation are commemorating the eleventh anniversary of the September 11, 2001 attacks which resulted in the deaths of nearly 3,000 people after two hijacked planes crashed into the World Trade Center, one into the Pentagon in Arlington, Virginia and one crash landed in Shanksville, Pennsylvania. (Photo by Spencer Platt/Getty Images)

New York City Marks 11th Anniversary Of September 11th Attacks

NEW YORK, NY - SEPTEMBER 11: A woman walks with a picture of a loved one outside of the World Trade Center site on the eleventh anniversary of the terrorist attacks September 11, 2012 in New York City. New York City and the nation are commemorating the eleventh anniversary of the September 11, 2001 attacks which resulted in the deaths of nearly 3,000 people after two hijacked planes crashed into the World Trade Center, one into the Pentagon in Arlington, Virginia and one crash landed in Shanksville, Pennsylvania. (Photo by Spencer Platt/Getty Images)

New York City Marks 11th Anniversary Of September 11th Attacks

NEW YORK, NY - SEPTEMBER 11: People pause outside of the World Trade Center site on the eleventh anniversary of the terrorist attacks September 11, 2012 in New York City. New York City and the nation are commemorating the eleventh anniversary of the September 11, 2001 attacks which resulted in the deaths of nearly 3,000 people after two hijacked planes crashed into the World Trade Center, one into the Pentagon in Arlington, Virginia and one crash landed in Shanksville, Pennsylvania. (Photo by Spencer Platt/Getty Images)

New York City Marks 11th Anniversary Of September 11th Attacks

NEW YORK, NY - SEPTEMBER 11: A firefighter pauses outside of the World Trade Center site on the eleventh anniversary of the terrorist attacks September 11, 2012 in New York City. New York City and the nation are commemorating the eleventh anniversary of the September 11, 2001 attacks which resulted in the deaths of nearly 3,000 people after two hijacked planes crashed into the World Trade Center, one into the Pentagon in Arlington, Virginia and one crash landed in Shanksville, Pennsylvania. (Photo by Spencer Platt/Getty Images)

New York City Marks 11th Anniversary Of September 11th Attacks

NEW YORK, NY - SEPTEMBER 11: A woman pauses outside of the World Trade Center site on the eleventh anniversary of the terrorist attacks September 11, 2012 in New York City. New York City and the nation are commemorating the eleventh anniversary of the September 11, 2001 attacks which resulted in the deaths of nearly 3,000 people after two hijacked planes crashed into the World Trade Center, one into the Pentagon in Arlington, Virginia and one crash landed in Shanksville, Pennsylvania. (Photo by Spencer Platt/Getty Images)

New York City Marks 11th Anniversary Of September 11th Attacks

NEW YORK, NY - SEPTEMBER 11: A person walks through the Winter Garden at the World Financial Center on the eleventh anniversary of the terrorist attacks September 11, 2012 in New York City. New York City and the nation are commemorating the eleventh anniversary of the September 11, 2001 attacks which resulted in the deaths of nearly 3,000 people after two hijacked planes crashed into the World Trade Center, one into the Pentagon in Arlington, Virginia and one crash landed in Shanksville, Pennsylvania. (Photo by Spencer Platt/Getty Images)

New York City Marks 11th Anniversary Of September 11th Attacks

NEW YORK, NY - SEPTEMBER 11: John Cassidy pauses outside outside of the World Trade Center site on the eleventh anniversary of the terrorist attacks September 11, 2012 in New York City. New York City and the nation are commemorating the eleventh anniversary of the September 11, 2001 attacks which resulted in the deaths of nearly 3,000 people after two hijacked planes crashed into the World Trade Center, one into the Pentagon in Arlington, Virginia and one crash landed in Shanksville, Pennsylvania. (Photo by Spencer Platt/Getty Images)

New York City Marks 11th Anniversary Of September 11th Attacks

NEW YORK, NY - SEPTEMBER 11: Flowers with a note to a loved one are placed on a railing overlooking lower Manhattan on the eleventh anniversary of the terrorist attacks on September 11, 2012 in the Brooklyn borough of New York City. New York City and the nation are commemorating the eleventh anniversary of the September 11, 2001 attacks which resulted in the deaths of nearly 3,000 people after two hijacked planes crashed into the World Trade Center, one into the Pentagon in Arlington, Virginia and one crash landed in Shanksville, Pennsylvania. (Photo by Spencer Platt/Getty Images)

New York City Marks 11th Anniversary Of September 11th Attacks

NEW YORK, NY - SEPTEMBER 11: A man pauses outside of the World Trade Center site on the eleventh anniversary of the terrorist attacks September 11, 2012 in New York City. New York City and the nation are commemorating the eleventh anniversary of the September 11, 2001 attacks which resulted in the deaths of nearly 3,000 people after two hijacked planes crashed into the World Trade Center, one into the Pentagon in Arlington, Virginia and one crash landed in Shanksville, Pennsylvania. (Photo by Spencer Platt/Getty Images)

New York City Marks 11th Anniversary Of September 11th Attacks

NEW YORK, NY - SEPTEMBER 11: David Peters displays a jacket with a painting of the Twin Towers outside of the World Trade Center site on the eleventh anniversary of the terrorist attacks on September 11, 2012 in New York City. New York City and the nation are commemorating the eleventh anniversary of the September 11, 2001 attacks which resulted in the deaths of nearly 3,000 people after two hijacked planes crashed into the World Trade Center, one into the Pentagon in Arlington, Virginia and one crash landed in Shanksville, Pennsylvania. (Photo by Spencer Platt/Getty Images)

New York City Marks 11th Anniversary Of September 11th Attacks

NEW YORK, NY - SEPTEMBER 11: A group of firefighters pause outside of the World Trade Center site on the eleventh anniversary of the terrorist attacks September 11, 2012 in New York City. New York City and the nation are commemorating the eleventh anniversary of the September 11, 2001 attacks which resulted in the deaths of nearly 3,000 people after two hijacked planes crashed into the World Trade Center, one into the Pentagon in Arlington, Virginia and one crash landed in Shanksville, Pennsylvania. (Photo by Spencer Platt/Getty Images)

New York City Marks 11th Anniversary Of September 11th Attacks

NEW YORK, NY - SEPTEMBER 11: A woman walks with a bouquet of flowers for a loved one outside of the World Trade Center site on the eleventh anniversary of the terrorist attacks September 11, 2012 in New York City. New York City and the nation are commemorating the eleventh anniversary of the September 11, 2001 attacks which resulted in the deaths of nearly 3,000 people after two hijacked planes crashed into the World Trade Center, one into the Pentagon in Arlington, Virginia and one crash landed in Shanksville, Pennsylvania. (Photo by Spencer Platt/Getty Images)

New York City Marks 11th Anniversary Of September 11th Attacks

NEW YORK - SEPTEMBER 11: Charlene Jacobs of Randolph, New Jersey, step mother of Jason Kyle Jacobs, touches his name during ceremonies for the eleventh anniversary of the terrorist attacks on lower Manhattan at the World Trade Center site September 11, 2012 in New York City. New York City and the nation are commemorating the eleventh anniversary of the September 11, 2001 attacks which resulted in the deaths of nearly 3,000 people after two hijacked planes crashed into the World Trade Center, one into the Pentagon in Arlington, Virginia and one crash landed in Shanksville, Pennsylvania. (Photo by Craig Ruttle-Pool/Getty Images)

New York City Marks 11th Anniversary Of September 11th Attacks

NEW YORK - SEPTEMBER 11: A woman cries at the 9/11 memorial during ceremonies for the eleventh anniversary of the terrorist attacks on lower Manhattan at the World Trade Center site September 11, 2012 in New York City. New York City and the nation are commemorating the eleventh anniversary of the September 11, 2001 attacks which resulted in the deaths of nearly 3,000 people after two hijacked planes crashed into the World Trade Center, one into the Pentagon in Arlington, Virginia and one crash landed in Shanksville, Pennsylvania. (Photo by Craig Ruttle-Pool/Getty Images)

New York City Marks 11th Anniversary Of September 11th Attacks

NEW YORK - SEPTEMBER 11: A woman cries on engravings of names on the 9/11 memorial during ceremonies for the eleventh anniversary of the terrorist attacks on lower Manhattan at the World Trade Center site September 11, 2012 in New York City. New York City and the nation are commemorating the eleventh anniversary of the September 11, 2001 attacks which resulted in the deaths of nearly 3,000 people after two hijacked planes crashed into the World Trade Center, one into the Pentagon in Arlington, Virginia and one crash landed in Shanksville, Pennsylvania. (Photo by Craig Ruttle-Pool/Getty Images)

New York City Marks 11th Anniversary Of September 11th Attacks

NEW YORK - SEPTEMBER 11: Family members of Belinda Pascua Domingo of New York place mementos on her name during memorial ceremonies for the eleventh anniversary of the terrorist attacks on lower Manhattan at the World Trade Center site September 11, 2012 in New York City. New York City and the nation are commemorating the eleventh anniversary of the September 11, 2001 attacks which resulted in the deaths of nearly 3,000 people after two hijacked planes crashed into the World Trade Center, one into the Pentagon in Arlington, Virginia and one crash landed in Shanksville, Pennsylvania. (Photo by Craig Ruttle-Pool/Getty Images)

Memorial Held At World Trade Center Site On 11th Anniversary Of Sept. 11 Attacks

NEW YORK, NY - SEPTEMBER 11: Tina Grazioso (L) looks upon the name of her slain husband John Grazioso at the 9/11 Memorial during ceremonies for the eleventh anniversary of the terrorist attacks on lower Manhattan at the World Trade Center on September 11, 2012 in New York City. At right is John Grazioso's sister Carolee Azzarello. New York City and the nation are commemorating the eleventh anniversary of the September 11, 2001 attacks which resulted in the deaths of nearly 3,000 people after two hijacked planes crashed into the World Trade Center, one into the Pentagon in Arlington, Virginia and one crash landed in Shanksville, Pennsylvania. (Photo by John Moore/Getty Images)

New York City Marks 11th Anniversary Of September 11th Attacks

NEW YORK - SEPTEMBER 11: People stand by the North Pool during memorial ceremonies for the eleventh anniversary of the terrorist attacks on lower Manhattan at the World Trade Center site September 11, 2012 in New York City. New York City and the nation are commemorating the eleventh anniversary of the September 11, 2001 attacks which resulted in the deaths of nearly 3,000 people after two hijacked planes crashed into the World Trade Center, one into the Pentagon in Arlington, Virginia and one crash landed in Shanksville, Pennsylvania. (Photo by Chang W. Lee-Pool/Getty Images)

New York City Marks 11th Anniversary Of September 11th Attacks

NEW YORK - SEPTEMBER 11: People stand during a moment of silence at 8:46 AM for the observance of time American Airline Flight 11 struck north World TradeTower during memorial ceremonies for the eleventh anniversary of the terrorist attacks on lower Manhattan at the World Trade Center site September 11, 2012 in New York City. New York City and the nation are commemorating the eleventh anniversary of the September 11, 2001 attacks which resulted in the deaths of nearly 3,000 people after two hijacked planes crashed into the World Trade Center, one into the Pentagon in Arlington, Virginia and one crash landed in Shanksville, Pennsylvania. (Photo by Chang W. Lee-Pool/Getty Images)

New York City Marks 11th Anniversary Of September 11th Attacks

NEW YORK - SEPTEMBER 11: People take a rubbing of names inscribed on the reflecting pool during observances for the eleventh anniversary of the terrorist attacks on lower Manhattan at the World Trade Center site September 11, 2012 in New York City. The nation is commemorating the eleventh anniversary of the September 11, 2001 attacks which resulted in the deaths of nearly 3,000 people after two hijacked planes crashed into the World Trade Center, one into the Pentagon in Arlington, Virginia and one crash landed in Shanksville, Pennsylvania. (Photo by Mary Altaffer-Pool/Getty Images)

New York City Marks 11th Anniversary Of September 11th Attacks

NEW YORK - SEPTEMBER 11: Peggy Bourke, and Susan Friedes listen as names of victims are read during observances for the eleventh anniversary of the terrorist attacks on lower Manhattan at the World Trade Center site September 11, 2012 in New York City. The nation is commemorating the eleventh anniversary of the September 11, 2001 attacks which resulted in the deaths of nearly 3,000 people after two hijacked planes crashed into the World Trade Center, one into the Pentagon in Arlington, Virginia and one crash landed in Shanksville, Pennsylvania. (Photo by Mary Altaffer-Pool/Getty Images)

New York City Marks 11th Anniversary Of September 11th Attacks

NEW YORK - SEPTEMBER 11: A flower and an American flag are placed on the next to the names inscribed on the edge of the memorial pool during observances for the eleventh anniversary of the terrorist attacks on lower Manhattan at the World Trade Center site September 11, 2012 in New York City. The nation is commemorating the eleventh anniversary of the September 11, 2001 attacks which resulted in the deaths of nearly 3,000 people after two hijacked planes crashed into the World Trade Center, one into the Pentagon in Arlington, Virginia and one crash landed in Shanksville, Pennsylvania. (Photo by Mary Altaffer-Pool/Getty Images)

New York City Marks 11th Anniversary Of September 11th Attacks

NEW YORK - SEPTEMBER 11: Mourners watch as a giant American flag is unfurled at 1 World Trade Center during observances for the eleventh anniversary of the terrorist attacks on lower Manhattan at the World Trade Center site September 11, 2012 in New York City. The nation is commemorating the eleventh anniversary of the September 11, 2001 attacks which resulted in the deaths of nearly 3,000 people after two hijacked planes crashed into the World Trade Center, one into the Pentagon in Arlington, Virginia and one crash landed in Shanksville, Pennsylvania. (Photo by Mary Altaffer-Pool/Getty Images)

New York City Marks 11th Anniversary Of September 11th Attacks

NEW YORK, NY - SEPTEMBER 11: A woman pauses outside outside of the World Trade Center site on the eleventh anniversary of the terrorist attacks September 11, 2012 in New York City. New York City and the nation are commemorating the eleventh anniversary of the September 11, 2001 attacks which resulted in the deaths of nearly 3,000 people after two hijacked planes crashed into the World Trade Center, one into the Pentagon in Arlington, Virginia and one crash landed in Shanksville, Pennsylvania. (Photo by Spencer Platt/Getty Images)

New York City Marks 11th Anniversary Of September 11th Attacks

NEW YORK, NY - SEPTEMBER 11: The skyline rises over Lower Manhattan on the eleventh anniversary of the terrorist attacks September 11, 2012 in the Brooklyn borough of New York City. New York City and the nation are commemorating the eleventh anniversary of the September 11, 2001 attacks which resulted in the deaths of nearly 3,000 people after two hijacked planes crashed into the World Trade Center, one into the Pentagon in Arlington, Virginia and one crash landed in Shanksville, Pennsylvania. (Photo by Spencer Platt/Getty Images)

New York City Marks 11th Anniversary Of September 11th Attacks

NEW YORK, NY - SEPTEMBER 11: People pause outside of the World Trade Center site on the eleventh anniversary of the terrorist attacks September 11, 2012 in New York City. New York City and the nation are commemorating the eleventh anniversary of the September 11, 2001 attacks which resulted in the deaths of nearly 3,000 people after two hijacked planes crashed into the World Trade Center, one into the Pentagon in Arlington, Virginia and one crash landed in Shanksville, Pennsylvania. (Photo by Spencer Platt/Getty Images)

New York City Marks 11th Anniversary Of September 11th Attacks

NEW YORK, NY - SEPTEMBER 11: People pause outside of the World Trade Center site on the eleventh anniversary of the terrorist attacks September 11, 2012 in New York City. New York City and the nation are commemorating the eleventh anniversary of the September 11, 2001 attacks which resulted in the deaths of nearly 3,000 people after two hijacked planes crashed into the World Trade Center, one into the Pentagon in Arlington, Virginia and one crash landed in Shanksville, Pennsylvania. (Photo by Spencer Platt/Getty Images)

New York City Marks 11th Anniversary Of September 11th Attacks

NEW YORK, NY - SEPTEMBER 11: People pause outside of the World Trade Center site on the eleventh anniversary of the terrorist attacks September 11, 2012 in New York City. New York City and the nation are commemorating the eleventh anniversary of the September 11, 2001 attacks which resulted in the deaths of nearly 3,000 people after two hijacked planes crashed into the World Trade Center, one into the Pentagon in Arlington, Virginia and one crash landed in Shanksville, Pennsylvania. (Photo by Spencer Platt/Getty Images)

Memorial Held At World Trade Center Site On 11th Anniversary Of Sept. 11 Attacks

NEW YORK - SEPTEMBER 11: Khudeza Begum etches the name of her slain nephew during ceremonies for the eleventh anniversary of the terrorist attacks on lower Manhattan at the World Trade Center on September 11, 2012 in New York City. New York City and the nation are commemorating the eleventh anniversary of the September 11, 2001 attacks which resulted in the deaths of nearly 3,000 people after two hijacked planes crashed into the World Trade Center, one into the Pentagon in Arlington, Virginia and one crash landed in Shanksville, Pennsylvania. (Photo by John Moore/Getty Images)

Memorial Held At World Trade Center Site On 11th Anniversary Of Sept. 11 Attacks

NEW YORK - SEPTEMBER 11: Khudeza Begum etches the name of her slain nephew during ceremonies for the eleventh anniversary of the terrorist attacks on lower Manhattan at the World Trade Center on September 11, 2012 in New York City. New York City and the nation are commemorating the eleventh anniversary of the September 11, 2001 attacks which resulted in the deaths of nearly 3,000 people after two hijacked planes crashed into the World Trade Center, one into the Pentagon in Arlington, Virginia and one crash landed in Shanksville, Pennsylvania. (Photo by John Moore/Getty Images)

New York City Marks 11th Anniversary Of September 11th Attacks

NEW YORK - SEPTEMBER 11: Two girls take a rubbing of names inscribed on the reflecting pool before the start of the memorial ceremonies for the eleventh anniversary of the terrorist attacks on lower Manhattan at the World Trade Center site September 11, 2012 in New York City. The nation is commemorating the eleventh anniversary of the September 11, 2001 attacks which resulted in the deaths of nearly 3,000 people after two hijacked planes crashed into the World Trade Center, one into the Pentagon in Arlington, Virginia and one crash landed in Shanksville, Pennsylvania. (Photo by Todd Maisel-Pool/Getty Images)

New York City Marks 11th Anniversary Of September 11th Attacks

NEW YORK - SEPTEMBER 11: People gather around the South Tower memorial pool during observances for the eleventh anniversary of the terrorist attacks on lower Manhattan at the World Trade Center site September 11, 2012 in New York City. The nation is commemorating the eleventh anniversary of the September 11, 2001 attacks which resulted in the deaths of nearly 3,000 people after two hijacked planes crashed into the World Trade Center, one into the Pentagon in Arlington, Virginia and one crash landed in Shanksville, Pennsylvania. (Photo by Timothy A. Clary-Pool/Getty Images)

New York City Marks 11th Anniversary Of September 11th Attacks

NEW YORK - SEPTEMBER 11: A firefighter's hat sits on names of firefighters at the South Pool during memorial ceremonies for the eleventh anniversary of the terrorist attacks on lower Manhattan at the World Trade Center site September 11, 2012 in New York City. New York City and the nation are commemorating the eleventh anniversary of the September 11, 2001 attacks which resulted in the deaths of nearly 3,000 people after two hijacked planes crashed into the World Trade Center, one into the Pentagon in Arlington, Virginia and one crash landed in Shanksville, Pennsylvania. (Photo by Justin Lane-Pool/Getty Images)

New York City Marks 11th Anniversary Of September 11th Attacks

NEW YORK - SEPTEMBER 11: Christine Gonda places a picture of firefighter George Kane in the engraving of his name at the South Pool during memorial ceremonies for the eleventh anniversary of the terrorist attacks on lower Manhattan at the World Trade Center site September 11, 2012 in New York City. New York City and the nation are commemorating the eleventh anniversary of the September 11, 2001 attacks which resulted in the deaths of nearly 3,000 people after two hijacked planes crashed into the World Trade Center, one into the Pentagon in Arlington, Virginia and one crash landed in Shanksville, Pennsylvania. (Photo by Justin Lane-Pool/Getty Images)

New York City Marks 11th Anniversary Of September 11th Attacks

NEW YORK - SEPTEMBER 11: Ava Kathleen Schmoelzer, 7, makes a rubbing of her aunt's Kathleen Moran name during memorial ceremonies for the eleventh anniversary of the terrorist attacks on lower Manhattan at the World Trade Center site September 11, 2012 in New York City. New York City and the nation are commemorating the eleventh anniversary of the September 11, 2001 attacks which resulted in the deaths of nearly 3,000 people after two hijacked planes crashed into the World Trade Center, one into the Pentagon in Arlington, Virginia and one crash landed in Shanksville, Pennsylvania. (Photo by Justin Lane-Pool/Getty Images)

New York City Marks 11th Anniversary Of September 11th Attacks

NEW YORK - SEPTEMBER 11: Port Authority Police Officers carry the American flag that flew over at the World Trade Center towers during memorial ceremonies for the eleventh anniversary of the terrorist attacks on lower Manhattan at the World Trade Center site September 11, 2012 in New York City. New York City and the nation are commemorating the eleventh anniversary of the September 11, 2001 attacks which resulted in the deaths of nearly 3,000 people after two hijacked planes crashed into the World Trade Center, one into the Pentagon in Arlington, Virginia and one crash landed in Shanksville, Pennsylvania. (Photo by Justin Lane-Pool/Getty Images)

New York City Marks 11th Anniversary Of September 11th Attacks

NEW YORK - SEPTEMBER 11: A member of the military salutes while standing by the South Pool during memorial ceremonies for the eleventh anniversary of the terrorist attacks on lower Manhattan at the World Trade Center site September 11, 2012 in New York City. New York City and the nation are commemorating the eleventh anniversary of the September 11, 2001 attacks which resulted in the deaths of nearly 3,000 people after two hijacked planes crashed into the World Trade Center, one into the Pentagon in Arlington, Virginia and one crash landed in Shanksville, Pennsylvania. (Photo by Justin Lane-Pool/Getty Images)

New York City Marks 11th Anniversary Of September 11th Attacks

NEW YORK - SEPTEMBER 11: Crystal Moldinado who lost her mother pauses at the North Pool memorial during observances for the eleventh anniversary of the terrorist attacks on lower Manhattan at the World Trade Center site September 11, 2012 in New York City. The nation is commemorating the eleventh anniversary of the September 11, 2001 attacks which resulted in the deaths of nearly 3,000 people after two hijacked planes crashed into the World Trade Center, one into the Pentagon in Arlington, Virginia and one crash landed in Shanksville, Pennsylvania. (Photo by Mike Segar-Pool/Getty Images)

New York City Marks 11th Anniversary Of September 11th Attacks

NEW YORK - SEPTEMBER 11: An American flag is stuck in a plaque of names of the victims of the September 11 attacks at the North Pool memorial during observances for the eleventh anniversary of the terrorist attacks on lower Manhattan at the World Trade Center site September 11, 2012 in New York City. The nation is commemorating the eleventh anniversary of the September 11, 2001 attacks which resulted in the deaths of nearly 3,000 people after two hijacked planes crashed into the World Trade Center, one into the Pentagon in Arlington, Virginia and one crash landed in Shanksville, Pennsylvania. (Photo by Mike Segar-Pool/Getty Images)

New York City Marks 11th Anniversary Of September 11th Attacks

NEW YORK - SEPTEMBER 11: Judy Parisio places an American flag in a plaque of names of the victims of the September 11 attacks at the North Pool memorial during observances for the eleventh anniversary of the terrorist attacks on lower Manhattan at the World Trade Center site September 11, 2012 in New York City. The nation is commemorating the eleventh anniversary of the September 11, 2001 attacks which resulted in the deaths of nearly 3,000 people after two hijacked planes crashed into the World Trade Center, one into the Pentagon in Arlington, Virginia and one crash landed in Shanksville, Pennsylvania. (Photo by Mike Segar-Pool/Getty Images)

New York City Marks 11th Anniversary Of September 11th Attacks

NEW YORK - SEPTEMBER 11: An American flag is stuck in a plaque of names of the victims of the September 11 attacks at the North Pool memorial during observances for the eleventh anniversary of the terrorist attacks on lower Manhattan at the World Trade Center site September 11, 2012 in New York City. The nation is commemorating the eleventh anniversary of the September 11, 2001 attacks which resulted in the deaths of nearly 3,000 people after two hijacked planes crashed into the World Trade Center, one into the Pentagon in Arlington, Virginia and one crash landed in Shanksville, Pennsylvania. (Photo by Mike Segar-Pool/Getty Images)

Memorial Held At World Trade Center Site On 11th Anniversary Of Sept. 11 Attacks

NEW YORK - SEPTEMBER 11: New York City policemen walk during ceremonies for the eleventh anniversary of the terrorist attacks on lower Manhattan at the World Trade Center on September 11, 2012 in New York City. New York City and the nation are commemorating the eleventh anniversary of the September 11, 2001 attacks which resulted in the deaths of nearly 3,000 people after two hijacked planes crashed into the World Trade Center, one into the Pentagon in Arlington, Virginia and one crash landed in Shanksville, Pennsylvania. (Photo by John Moore/Getty Images)

New York City Marks 11th Anniversary Of September 11th Attacks

NEW YORK - SEPTEMBER 11: Scott Willens, who joined the U.S. Army three days after the terrorist attacks on 9/11, pauses by the South Pool during memorial ceremonies for the eleventh anniversary of the terrorist attacks on lower Manhattan at the World Trade Center site September 11, 2012 in New York City. New York City and the nation are commemorating the eleventh anniversary of the September 11, 2001 attacks which resulted in the deaths of nearly 3,000 people after two hijacked planes crashed into the World Trade Center, one into the Pentagon in Arlington, Virginia and one crash landed in Shanksville, Pennsylvania. (Photo by Justin Lane-Pool/Getty Images)

New York City Marks 11th Anniversary Of September 11th Attacks

NEW YORK - SEPTEMBER 11: Dennis Swindell kisses the name of his partner Gary Lee Bright inscribed on the South Tower memorial pool wall during observances for the eleventh anniversary of the terrorist attacks on lower Manhattan at the World Trade Center site September 11, 2012 in New York City. The nation is commemorating the eleventh anniversary of the September 11, 2001 attacks which resulted in the deaths of nearly 3,000 people after two hijacked planes crashed into the World Trade Center, one into the Pentagon in Arlington, Virginia and one crash landed in Shanksville, Pennsylvania. (Photo by Timothy A. Clary-Pool/Getty Images)

New York City Marks 11th Anniversary Of September 11th Attacks

NEW YORK - SEPTEMBER 11: Dennis Swindell kisses the name of his partner Gary Lee Bright inscribed on the South Tower memorial pool wall during observances for the eleventh anniversary of the terrorist attacks on lower Manhattan at the World Trade Center site September 11, 2012 in New York City. The nation is commemorating the eleventh anniversary of the September 11, 2001 attacks which resulted in the deaths of nearly 3,000 people after two hijacked planes crashed into the World Trade Center, one into the Pentagon in Arlington, Virginia and one crash landed in Shanksville, Pennsylvania. (Photo by Timothy A. Clary-Pool/Getty Images)

New York City Marks 11th Anniversary Of September 11th Attacks

NEW YORK - SEPTEMBER 11: Anna Favuzza makes a rubbing of name of her brother, Bernard D. Favuzza, who was a victim of World Trade Center attacks, during memorial ceremonies for the eleventh anniversary of the terrorist attacks on lower Manhattan at the World Trade Center site September 11, 2012 in New York City. New York City and the nation are commemorating the eleventh anniversary of the September 11, 2001 attacks which resulted in the deaths of nearly 3,000 people after two hijacked planes crashed into the World Trade Center, one into the Pentagon in Arlington, Virginia and one crash landed in Shanksville, Pennsylvania. (Photo by Chang W. Lee-Pool/Getty Images)

New York City Marks 11th Anniversary Of September 11th Attacks

NEW YORK - SEPTEMBER 11: Judy Parisio (R) and Linda Malbrba make a rubbing of their niece's name, Frances Ann Cilente, who died at the World Trade Center, during memorial ceremonies for the eleventh anniversary of the terrorist attacks on lower Manhattan at the World Trade Center site September 11, 2012 in New York City. New York City and the nation are commemorating the eleventh anniversary of the September 11, 2001 attacks which resulted in the deaths of nearly 3,000 people after two hijacked planes crashed into the World Trade Center, one into the Pentagon in Arlington, Virginia and one crash landed in Shanksville, Pennsylvania. (Photo by Chang W. Lee-Pool/Getty Images)

Memorial Held At World Trade Center Site On 11th Anniversary Of Sept. 11 Attacks

NEW YORK - SEPTEMBER 11: A flag sits in a name of the 9/11 Memorial before ceremonies for the eleventh anniversary of the terrorist attacks on lower Manhattan at the World Trade Center on September 11, 2012 in New York City. New York City and the nation are commemorating the eleventh anniversary of the September 11, 2001 attacks which resulted in the deaths of nearly 3,000 people after two hijacked planes crashed into the World Trade Center, one into the Pentagon in Arlington, Virginia and one crash landed in Shanksville, Pennsylvania. (Photo by John Moore/Getty Images)

New York City Marks 11th Anniversary Of September 11th Attacks

NEW YORK - SEPTEMBER 11: People take a rubbing of a name of a loved-one inscribed on one of the reflecting pools before the start of the memorial ceremonies for the eleventh anniversary of the terrorist attacks on lower Manhattan at the World Trade Center site September 11, 2012 in New York City. New York City and the nation are commemorating the eleventh anniversary of the September 11, 2001 attacks which resulted in the deaths of nearly 3,000 people after two hijacked planes crashed into the World Trade Center, one into the Pentagon in Arlington, Virginia and one crash landed in Shanksville, Pennsylvania. (Photo by Todd Maidel-Pool/Getty Images)

New York City Marks 11th Anniversary Of September 11th Attacks

NEW YORK - SEPTEMBER 11: A woman takes a rubbing of a name of a loved one inscribed on the reflecting pool before the start of the memorial ceremonies for the eleventh anniversary of the terrorist attacks on lower Manhattan at the World Trade Center site September 11, 2012 in New York City. The nation is commemorating the eleventh anniversary of the September 11, 2001 attacks which resulted in the deaths of nearly 3,000 people after two hijacked planes crashed into the World Trade Center, one into the Pentagon in Arlington, Virginia and one crash landed in Shanksville, Pennsylvania. (Photo by Todd Maidel-Pool/Getty Images)

New York City Marks 11th Anniversary Of September 11th Attacks

NEW YORK - SEPTEMBER 11: Linda Torrens holds a portrait of her cousin Janine Nicole Gonzalez before the start of the memorial ceremonies for the eleventh anniversary of the terrorist attacks on lower Manhattan at the World Trade Center site September 11, 2012 in New York City. The nation is commemorating the eleventh anniversary of the September 11, 2001 attacks which resulted in the deaths of nearly 3,000 people after two hijacked planes crashed into the World Trade Center, one into the Pentagon in Arlington, Virginia and one crash landed in Shanksville, Pennsylvania. (Photo by CMary Altaffera-Pool/Getty Images)

New York City Marks 11th Anniversary Of September 11th Attacks

NEW YORK - SEPTEMBER 11: Fire and police officers hold a large American flag before the start of the memorial ceremonies for the eleventh anniversary of the terrorist attacks on lower Manhattan at the World Trade Center site September 11, 2012 in New York City. The nation is commemorating the eleventh anniversary of the September 11, 2001 attacks which resulted in the deaths of nearly 3,000 people after two hijacked planes crashed into the World Trade Center, one into the Pentagon in Arlington, Virginia and one crash landed in Shanksville, Pennsylvania. (Photo by Todd Maidel-Pool/Getty Images)

New York City Marks 11th Anniversary Of September 11th Attacks

NEW YORK - SEPTEMBER 11: Joe Torres of Sayreville, New Jersey, a fire captain from Elizabeth, New Jersey, kneels as he touches the name of his sister-in-law Krystine Bordenabe during memorial ceremonies for the eleventh anniversary of the terrorist attacks on lower Manhattan at the World Trade Center site September 11, 2012 in New York City. New York City and the nation are commemorating the eleventh anniversary of the September 11, 2001 attacks which resulted in the deaths of nearly 3,000 people after two hijacked planes crashed into the World Trade Center, one into the Pentagon in Arlington, Virginia and one crash landed in Shanksville, Pennsylvania. (Photo by Craig Ruttle-Pool/Getty Images)

New York City Marks 11th Anniversary Of September 11th Attacks

NEW YORK - SEPTEMBER 11: Amelia Tedesco of Staten Island, New York touches the name of her son-in-law Walter Baran of Staten Island, New York, during memorial ceremonies for the eleventh anniversary of the terrorist attacks on lower Manhattan at the World Trade Center site September 11, 2012 in New York City. New York City and the nation are commemorating the eleventh anniversary of the September 11, 2001 attacks which resulted in the deaths of nearly 3,000 people after two hijacked planes crashed into the World Trade Center, one into the Pentagon in Arlington, Virginia and one crash landed in Shanksville, Pennsylvania. (Photo by Craig Ruttle-Pool/Getty Images)

New York City Marks 11th Anniversary Of September 11th Attacks

NEW YORK - SEPTEMBER 11: Port Authority Police Officers carry an American flag that flew over at the World Trade Center towers during memorial ceremonies for the eleventh anniversary of the terrorist attacks on lower Manhattan at the World Trade Center site September 11, 2012 in New York City. New York City and the nation are commemorating the eleventh anniversary of the September 11, 2001 attacks which resulted in the deaths of nearly 3,000 people after two hijacked planes crashed into the World Trade Center, one into the Pentagon in Arlington, Virginia and one crash landed in Shanksville, Pennsylvania. (Photo by Justin Lane-Pool/Getty Images)

New York City Marks 11th Anniversary Of September 11th Attacks

NEW YORK - SEPTEMBER 11: New York City Firefighter Dan Kenny looks out over the South Pool during memorial ceremonies for the eleventh anniversary of the terrorist attacks on lower Manhattan at the World Trade Center site September 11, 2012 in New York City. New York City and the nation are commemorating the eleventh anniversary of the September 11, 2001 attacks which resulted in the deaths of nearly 3,000 people after two hijacked planes crashed into the World Trade Center, one into the Pentagon in Arlington, Virginia and one crash landed in Shanksville, Pennsylvania. (Photo by Justin Lane-Pool/Getty Images)

New York City Marks 11th Anniversary Of September 11th Attacks

NEW YORK - SEPTEMBER 11: New York City police bugler Gabe Perdomo warms up while standing next to the South Pool during memorial ceremonies for the eleventh anniversary of the terrorist attacks on lower Manhattan at the World Trade Center site September 11, 2012 in New York City. New York City and the nation are commemorating the eleventh anniversary of the September 11, 2001 attacks which resulted in the deaths of nearly 3,000 people after two hijacked planes crashed into the World Trade Center, one into the Pentagon in Arlington, Virginia and one crash landed in Shanksville, Pennsylvania. (Photo by Justin Lane-Pool/Getty Images)