A squad of defenders from the 633rd Security Forces Squadron brief the operations order to U.S. Air Force Master Sgt. Christopher Ricks, 633 SFS, NCO in charge of training during Combat Readiness Training at Langley Air Force Base, Va., June 27, 2016. CRT is a requirement before a SF member deploys acting as a refresher and prerequisite for predeployment training. (U.S. Air Force photo by/Tech. Sgt. Daylena S. Ricks)