Crucible Contenders Marine Corps recruit Marc-ari Lewis spars with a fellow recruit during the final challenge of recruit training, known as the Crucible, at Marine Corps Recruit Depot Parris Island, S.C., Jan. 26, 2018. Marine Corps photo by Cpl. Joseph Jacob SHARE IMAGE: Download Image: Full Size (1.01 MB) Photo By: Cpl. Joseph Jacob VIRIN: 180126-M-XY771-015C.JPG Photo Gallery