U.S. Air Force Senior Airman Brit Beshear, 733rd Civil Engineer Division driver operator, rings a bell to honor the fallen firefighters of 9/11 during a ceremony at Joint Base Langley-Eustis, Va., Sept. 9, 2016. The ringing of the bell signifies a firefighter’s last call to duty and was rung a total of nine times. (U.S. Air Force photo by Airman 1st Class Tristan Biese)