U.S. Air Force members of the 733rd Training Squadron and 356th Airlift Squadron load a vehicle into a C-5M Super Galaxy aircraft during a training exercise at Joint Base San Antonio-Lackland, Texas, Aug. 2, 2018. The squadrons, which are staffed almost entirely by Air Force reservists, train all loadmasters, flight engineers, and pilots for the C-5M. (U.S. Air Force photo by Staff Sgt. Lauren M. Snyder)