Course Crawl Marine Corps recruit Robbin Anderson low-crawls while going through the combat endurance course at Marine Corps Recruit Depot Parris Island, S.C., May 20, 2017. The course includes a 2.5-mile run with obstacles along the way designed to improve small-unit leadership among recruits. Marine Corps photo by Cpl. Richard Currier SHARE IMAGE: Download Image: Full Size (1.95 MB) Tags: training, Northcom, Northern Command, MARINE CORPS, MARINES Photo By: Cpl. Richard Currier VIRIN: 170520-M-UH847-362C.JPG Photo Gallery