Recruit Run Marine Corps recruits run out of a gas chamber after chemical, biological, radiological, nuclear defense training at Marine Corps Recruit Depot Parris Island, S.C., Dec. 17, 2018. SHARE IMAGE: Download Image: Full Size (2.75 MB) Tags: Marine Corps Photo By: Marine Corps Lance Cpl. Shane T. Manson VIRIN: 181217-M-AW928-080C.JPG Photo Gallery