Thirty-three aircrew members from the 36th Expeditionary Bomb Squadron stand in formation to represent the 33 crewmembers who died during Operation Linebacker II Dec. 13, 2013, on Andersen Air Force Base, Guam. The Linebacker II ceremony observed the 41st year of the campaign that led to the end of the Vietnam War and honored the sacrifice and commitment the service members made. (U.S. Air Force photo by Airman 1st Class Emily A. Bradley/Released)