U.S. Air National Guard Airmen, assigned to the 140th Wing, race jammers through an obstacle course, while Airmen cheer for their favorite team at Buckley Air Force Base in Aurora, Colo., June 4, 2016. The jammer race was part of the weapons and ammunition competition held to creatively train Airmen on Air Force equipment and Aircraft in a fun, entertaining way. (U.S. Air National Guard photo by Staff Sgt. Bobbie Reynolds)