U.S. Marines Sgt. Darin Hoover and Staff Sgt. Juan Fuentes, rifleman, security platoon, 3rd Battalion, 5th Marine Regiment discuss the plan of events for a fast-roping exercise at Camp Pendleton, California, U.S. March 16, 2017. U.S. MARINE CORPS/Pfc. Roxanna Gonzalez/Handout via REUTERS