Combat Course Marine Corps recruits maneuver through an obstacle during a combat endurance course at Marine Corps Recruit Depot Parris Island, S.C., Dec. 21, 2019. SHARE IMAGE: Download Image: Full Size (1.2 MB) Tags: Marine Corps Photo By: Marine Corps Gunnery Sgt. Tyler Hlavac VIRIN: 191221-M-ZL728-0007C.JPG Photo Gallery