Airmen from Joint Base Andrews prepare to carry a litter during the 14 Defender Challenge on Joint Base Andrews, Md., May 20, 2016. Approximately 50 members of JBA participated in the event that brought a close to National Police Week and paid tribute to the 14 security forces members lost in combat since 9/11. (U.S. Air Force photo by Senior Airman Mariah Haddenham/Released)