Listen and Learn Marine Corps Gunnery Sgt. Jensen Runion instructs recruits on proper drill movements at Marine Corps Recruit Training Depot Parris Island, S.C., Dec. 18, 2025. Recruits learned close-order drills as a means of instilling discipline, teamwork and spatial awareness, and as a base to execute combat formations. SHARE: Download: Full Size (1.29 MB) Tags: training, marine corps Credit: Marine Corps Staff Sgt. Brendan Custer VIRIN: 251218-M-QS584-1011M.JPG Photo Gallery