U.S. Marine Corps Sgt. Timothy Phillips, an infantry

U.S. Marine Corps Sgt. Timothy Phillips, an infantry assault Marine with Lima Company, 3rd Battalion, 1st Marine Regiment, 1st Marine Division, awaits the signal to begin a casualty evacuation drill during the second day of the Brahma Bulls Individual Competition at Camp Horno, Marine Corps Base Camp Pendleton, California, April 24, 2019. The three-day competition is composed of a series of different challenges such as written examinations, live-fire ranges, and combat conditioning to test the Marines’ combat effectiveness. (U.S. Marine Corps photo by Cpl. Dylan Chagnon)