Investigative personnel search the crash site of United Airlines Flight 93 looking for debris and evidence, including the plane's flight recorder, 12...
Emergency workers search the crash site of United Airlines Flight 93 in Shanksville, Pennsylvania, 12 September 2001. The hijacked plane crashed...
Officials examine the crater 11 September 2001 at the crash site of United Airlines Flight 93 in Shanksville, Pennsylvania. The plane from Newark,...
Investigative personnel search the crash site of United Airlines Flight 93 looking for debris and evidence, including the plane's flight recorder, 12...
Officials examine the crater 11 September 2001 at the crash site of United Airlines Flight 93 in Shanksville, Pennsylvania. The plane from Newark,...
This photograph released by the U.S. District Court showsa piece of fuselage at the scene in Somerset County, Pennsylvania, where United Flight 93...
The view at the visitor center at the Flight 93 National Memorial on September 10, 2015 in Shanksville, Pennsylvania. The newly opened $26 million...
Undated photos of suspected hijackers of United Airlines flight that crashed in rural Pennsylvania, released by the FBI September 27, 2001 in...
Family members gather at the crash site of the plane at the Flight 93 National Memorial on the 16th Anniversary ceremony of the September 11th...
Art work by comic artist Igor Korbey illustrating passengers advancing on the hijackers of United Airlines Flight 93, which crashed in Pennsylvania,...
This photograph released by the U.S. District Court shows the scene in Somerset County, Pennsylvania, where United Flight 93 crashed after being...
This photograph released by the U.S. District Court shows the cockpit voice recorder found at the scene in Somerset County, Pennsylvania, where...
Yellow crime scene tape lays discarded next to a cross draped with white cloth that was erected on a hill overlooking the once peaceful valley where...
Oakland, Ca. Eighteenyearold Chris Beaven, center, holds his sister Sonali, while they attend a Golden State Warriors NBA basketball game in...
Three-dimensional model memorializing the crash of Flight 93 entitled, "Memory Trail" is shown June 30, 2005 in Somerset, Pennsylvania. Flight 93 was...
Alice Hoglan from Los Gatos, CA, whose sone Mark Bingham was a passenger on Flight 93 which crashed in Pennsylvania, cries during a ceremony to...
Jim Wildey of the National Transportation Safety Board gives the press a tour of the 93-foot section of the TWA Flight 800 fuselage that sits inside...
Foot section of the TWA Flight 800 fuselage sits inside a state-of-the-art training facility of the new a state-of-the-art training facility of the...
More than 500 Marines and Sailors with the 11th Marine Expeditionary Unit and USS Belleau Wood commemorate the one-year anniversary of the September...
Aerial view of the United Flight 93 crash site and temporary memorial is seen July 26, 2002 near Shanksville, Pennsylvania. The September 11 hijacked...
Aerial view of the United Flight 93 crash site and temporary memorial is seen July 26, 2002 near Shanksville, Pennsylvania. The September 11 hijacked...
National Transportation Safety Board worker walks by an FBI trailer at the crash site of United Airlines Flight 93 in Shanksville, PA,12 September...
Mound of dirt and charred trees mark the site of a crater created by the impact of United Airlines Flight 93, which crashed 11 September, 2001. The...
Pregnant Lisa Beamer, widow of Todd Beamer, who was among the passengers believed to have stormed the hijackers aboard United Airlines Flight 93 that...
Emmy Glick points to her father's name, Jeremy Glick, on a plaque honoring United Flight 93 passengers, September 9 who died on September 11 when...
Speaker Nancy Pelosi, D-Calif., admires the plaque honoring United Flight 93 passengers, September 9 who died on September 11 when they crashed the...
Teresa Mastillo-Flick, from Somerset County, Pa., and Charles Vizzini, from Evansburg, Pa., at a memorial service for Flight 93 in Shanksville, Pa....
Sen. Arlen Specter, R-Pa., greeting family and dignitaries at a memorial service for Flight 93 in Shanksville, Pa.
Libyan security forces and rescue teams inspect the crash scene of an Afriqiyah Airways passenger plane at Tripoli airport on May 12, 2010. An...
Libyan security forces and rescue teams inspect the debris of an Afriqiyah Airways passenger plane which crashed during landing at Tripoli airport on...
Libyan security forces and rescue teams inspect the debris of an Afriqiyah Airways passenger plane which crashed during landing at Tripoli airport on...
Libyan security forces and rescue teams inspect the debris of an Afriqiyah Airways passenger plane which crashed during landing at Tripoli airport on...
File picture dated September 6, 2009 shows an Afriqiyah Airways Airbus A330-200 approaching Roissy Charles-de-Gaulle airport, outside Paris. An...
Worker points out details of the exterior of the Times Square New Year's Eve ball. This group of three Waterford crystal triangles contains one...
The 2-ton, 14-foot beam, which was pulled from the rubble of the north tower, is driven 300 miles from Brooklyn's Floyd Bennett Field to the...
Deena Burnett, widow of Tom Burnett who died on United Flight 93 which crashed in Pennsylvania on 9/11, is onstage at Madison Square Garden on the...
Navy Seabee stands guard at Camp 93 in the Kuwaiti desert, which is named after United Airlines Flight 93, hijacked on Sept. 11. The base has as its...
Flag memorializing the passengers aboard hijacked United Airlines Flight 93 is unfurled on the West Lawn of the Capitol. The plane crashed in a...
Close-up view of the exterior of the Times Square New Year's Eve ball shows one Waterford crystal triangle engraved in memory of the victims of the...
Shanksville Jahi Chikwendiu/TWP Neg# 130288 Rachel Wynn, of Allison Park, PA, holds her Lindsay Wynn as Jennifer Cornell and her mother-in-law Cathy...
Shanksville Jahi Chikwendiu/TWP Neg# 130288 Painted rocks at the UAL Flight 93 Memorial chapel near Shanksville, Pennsylvania, where a terrorist...
Shanksville Jahi Chikwendiu/TWP Neg# 130288 Signage at the UAL Flight 93 Memorial Chapel near Shanksville, Pennsylvania, where a terrorist hijacked...
Shanksville Jahi Chikwendiu/TWP Neg# 130288 Reverend Alphonse T. Mascherino , Director of the UAL Flight 93 Memorial Chapel, gets a little moral...
Shanksville Jahi Chikwendiu/TWP Neg# 130288 Amy Shumaker, of Hooversville, PA, holds her son Ryan Shumaker at the Flight 93 Memorial near...
Lynne Cheney, wife of US Vice President Dick Cheney, listens during a memorial ceremony in Indian Lake, Pennsylvania, 20 September for the victims of...
Lynne Cheney, wife of US Vice President Dick Cheney, speaks during a memorial ceremony in Indian Lake, Pennsylvania, 20 September for the victims of...
Guests visit the Temporary Memorial of the crash of Flight 93 during the 8th anniversary of the September 11,2001 crash of Flight 93 September 11,...
Former Secretary of State Colin Powell and Secretary of the Interior Ken Salazar, Gordon Felt and General Tommy Franks bow their heads in a moment of...
Country singer Trace Adkins, Former Secretary of State Colin Powell and Secretary of the Interior Ken Salazar, listen to speakers at the 8th...
Mourners listen as Former Secretary of State Colin Powell speaks at the 8th anniversary of the September 11,2001 crash of Flight 93 September 11,...
Bellringers mark the names of the victims of the crash of Flight 93 at the 8th anniversary of the September 11,2001 crash of Flight 93 September 11,...
Secretary of the Interior Ken Salazar greets guests to the memorial service for the victims of Flight 93 where mourners listened to speakers at the...
Former Secretary of State Colin Powell speaks at the 8th anniversary of the September 11,2001 crash of Flight 93 September 11, 2009 in Shanksville,...
Former Secretary of State Colin Powell speaks at the 8th anniversary of the September 11,2001 crash of Flight 93 September 11, 2009 in Shanksville,...
Former Secretary of State Colin Powell is greeted by a guest at the 8th anniversary of the September 11,2001 crash of Flight 93 September 11, 2009 in...
Guests visit the Tempory Moemorial site of Flight 93 at the 8th anniversary of the September 11,2001 crash of Flight 93 September 11, 2009 in...
Secretary of the Interior Ken Salazar, speaks at the 8th anniversary of the September 11,2001 crash of Flight 93 September 11, 2009 in Shanksville,...
Family members of the Flight 93 crash victims listen to speakers at the 8th anniversary of the September 11,2001 crash of Flight 93 September 11,...
Secretary of the Interior Ken Salazar greets family members at the memorial service for the victims of Flight 93 where mourners listened to speakers...