Crucible Climb A Marine Corps recruit climbs up a rope during the final challenge of recruit training, known as the Crucible, at Marine Corps Recruit Depot Parris Island, S.C., Feb. 21, 2019. SHARE: Download: Full Size (0.81 MB) Tags: Marine Corps, Training Credit: Marine Corps Warrant Officer Bobby J. Yarbrough VIRIN: 190222-M-DE426-138C.JPG Photo Gallery