U.S. Marine Cpl. Jack Trembley, a rifleman with 3rd

U.S. Marine Cpl. Jack Trembley, a rifleman with 3rd Battalion, 6th Marine Regiment conducts a maneuver under fire during the Teufelhunden Challenge on Camp Lejeune, North Carolina, Oct 10, 2019. The Teufelhunden Challenge brought together Marines from the various companies of V36 to compete in five events: a 1.5-mile run, a manuever under fire, an assembly and disassembly of a rifle, a High Mobility Multi-Purpose Wheeled Vehicle push, and a crossfit-inspired event. (U.S. Marine Corps photo by Lance Cpl. Jacqueline Parsons)