Staff Sgt. Don Hawk, 11th Security Support Squadron resource protection manager, loads an M4 carbine magazine as part of the Defender Challenge 2020 tryouts on Joint Base Andrews, Md., Feb. 27, 2020. JBA defenders competed for an opportunity to represent Air Force District of Washington team in the DC2020 in Camp Bullis, San Antonio, Texas. The challenge will give the Air Force and partnering allies such as the Royal Air Force, the German Luftwaffe, the Royal Australian Air Force and the Royal Canadian Air Force a way to showcase their military police capabilities and joint interoperability. (U.S. Air Force photo by Staff Sgt. Andrew Walck)