U.S. Air Force Tech. Sgt. Alexis Rice, Air Combat Command Directorate of Logistics, Engineering and Force Protection NCO in charge of mission assurance, observes ACC security forces Airmen during land navigation as part of the Defender Challenge team selection at Joint Base Langley-Eustis, Virginia, Aug. 23, 2018. After five days of various tasks, Rice selected six Security Forces Airmen to represent ACC at the 2018 Air Force Defender Challenge. (U.S. Air Force photo by Staff Sgt. Areca T. Bell)