U.S. Army Staff Sgt. Mohammed Marhfour of the 3-290th, 91st Training Division pulls guard during a simulated extraction mission on February 8th, 2017 on Ft. Hunter Liggett, Calif. Soldiers competed in the 91st Training Division's Best Warrior Competition that tested their endurance and knowledge of warrior tasks and drills. (U.S. Army photo by Spc. Derek Cummings/Released)