U.S. Air Force Airman 1st Class Sean Dugan, 55th Aircraft Maintenance Squadron, stands at attention before performing the flag folding ceremony during the 9/11 memorial service in the SAC Chapel on Offutt Air Force Base, Neb., Sept. 11. This memorial service marks the anniversary of the Sept. 11, 2001, terrorist attacks when al-Qaeda operatives hijacked passenger jets and flew into the Pentagon and the World Trade Center towers in New York City. (U.S. Air Force photo by Charles Haymond/Released)
U.S. Air Force Heartland of America Band, Air Combat Command, performs before the 9/11 memorial service held in SAC Chapel on Offutt Air Force Base, Neb., Sept. 11. On Sept. 11, 2001, 19 militants associated with the Islamic extremist group al-Qaeda hijacked four airliners and carried out suicide attacks against targets in the United States. Two of the planes were flown into the towers of the World Trade Center in New York City, a third plane hit the Pentagon just outside Washington, D.C., and the fourth plane crashed in a field in Pennsylvania. (U.S. Air Force photo by Charles Haymond/Released)
U.S. Air Force Maj. Kim Bowen, 55th Wing deputy chaplain, reads Psalms 91:1-16 during the 9/11 memorial service in the SAC Chapel on Offutt Air Force Base, Neb., Sept. 11. The 55th Wing Chapel provides Offutt members with guidance through life many challenges and also several religious education opportunities. (U.S. Air Force photo by Charles Haymond/Released)
U.S. Air Force Airman 1st Class Sean Dugan, 55th Aircraft Maintenance Squadron, stands at attention before performing the flag folding ceremony during the 9/11 memorial service in the SAC Chapel on Offutt Air Force Base, Neb., Sept. 11. Memorial services were conducted all over the United States to show respect to those who died in this tragedy. (U.S. Air Force photo by Charles Haymond/Released)
Arpad Lepper, Offutt Fire Station captain, and Brent Bergstrom, firefighter and honor guard member, pose behind a display at the Offutt Fire Station following a brief ceremony remembering the men and women who sacrificed their lives at the world trade center bombings on 9/11. (U.S. Air Force photo by D.P. Heard/Released)
Detective Roy Howell, Bellevue Police Department, U.S. Air Force Col. Hans Palaoro, 55th Wing vice commander, U.S. Air Force Chief Master Sgt. William Thomaston, 55th Wing command chief and Perry Guido, Bellevue Fire Department fire chief lay a wreath as part of a 9/11 ceremony at American Heroes Park in Bellevue, Neb., on Sept. 11. The memorial with two flagpoles and a pentagon with the number 93 inside honors those lost during the terrorist attacks on 9/11. (U.S. Air Force photo by Mark Borytsky/Released)
U.S. Air Force Col. Hans Palaoro, 55th Wing vice commander, Perry Guido, Bellevue Fire Department fire chief, Detective Roy Howell, Bellevue Police Department, and U.S. Air Force Chief Master Sgt. William Thomaston, 55th Wing command chief, place flags as part of a 9/11 ceremony at American Heroes Park in Bellevue, Neb., on Sept. 11. The memorial with two flagpoles and a pentagon with the number 93 inside honors those lost on 9/11 in the two towers of the World Trade Center in New York, the Pentagon in Washington D.C. and Flight 93 that crashed in a field in Pennsylvania. (U.S. Air Force photo by Mark Borytsky/Released)