U.S. Navy corpsmen and Marines, assigned to various units in the 1st Marine Division, conduct tactical combat casualty care training during the Combat Trauma Management Course, taught by instructors with the 1st Mar. Div. Navy Education and Training Office, at the Strategic Operations facility, San Diego, July 30, 2015. The course, held once a month for 40 students, combines simulated injuries on role players and chaotic battlefield environments to prepare corpsmen and Marine combat life savers for the stress of saving lives in real world operations. (U.S. Marine Corps photo by Staff Sgt. Bobbie A. Curtis) - U.S. Navy corpsmen and Marines, assigned to various units in the 1st Marine Division, conduct tactical combat casualty care training during the Combat Trauma Management Course, taught by instructors with the 1st Mar. Div. Navy Education and Training Office, at the Strategic Operations facility, San Diego, July 30, 2015. The course, held once a month for 40 students, combines simulated injuries on role players and chaotic battlefield environments to prepare corpsmen and Marine combat life savers for the stress of saving lives in real world operations. (U.S. Marine Corps photo by Staff Sgt. Bobbie A. Curtis)