Keywords: usmc marines marine corps marinecorps parris island parrisisland recruit training recruittraining boot camp bootcamp mcrd sc usa U.S. Marine Corps recruits participate in the Crucible during the third phase of their recruit training aboard Marine Corps Recruit Depot Parris Island, S.C., October 16, 2015. The Crucible is a 54-hour training evolution designed to culminate the training recruits have recieved during the previous 11 weeks of training. (U.S. Marine Corps photo by Sgt. Melissa Marnell, Office of the Sergeant Major of the Marine Corps/Released) U.S. Marine Corps recruits participate in the Crucible during the third phase of their recruit training aboard Marine Corps Recruit Depot Parris Island, S.C., October 16, 2015. The Crucible is a 54-hour training evolution designed to culminate the training recruits have recieved during the previous 11 weeks of training. (U.S. Marine Corps photo by Sgt. Melissa Marnell, Office of the Sergeant Major of the Marine Corps/Released) |