Republic of Singapore Air Force Airmen perform sling load operations at the Mystic drop zone, hoisting a Bobcat S450 skid steer loader with an RSAF CH-47 D Chinook helicopter in support of the Golden Coyote training exercise at the South Dakota National Guard West Camp Rapid training facility, Rapid City, S.D., June 14, 2016. The Golden Coyote exercise is a three-phase, scenario-driven exercise conducted in the Black Hills of South Dakota and Wyoming, which enables commanders to focus on mission essential task requirements, warrior tasks and battle drills. (U.S. Army photo by Spc. Kristen Root/Released)