Course Climb Marine Corps recruits climb ropes while going through an obstacle course at Marine Corps Recruit Depot Parris Island, S.C., May, 20, 2017. The recruits are assigned to Recruit Training Regiment’s 2nd and 4th battalions. Marine Corps photo by Lance Cpl. Colby Cooper SHARE: Download: Full Size (0.62 MB) Credit: Lance Cpl. Colby Cooper VIRIN: 170520-M-UR592-156C.JPG Photo Gallery