U.S. Air Force Staff Sgt. Paris Roberts, Air Combat Command Public Affairs knowledge operations manager, performs “clean and jerk” during heat two of the TeamGrit CrossFit competition in Hampton, Va., Jan. 17, 2015. This heat included a barbell complex in which competitors had one chance to properly lift as much as they could every minute on the minute for three rounds. (U.S. Air Force photo by Staff Sgt. Natasha Stannard/Released)