Marine Muscle Marine Corps recruits conduct pullups during a physical training event on Marine Corps Recruit Depot San Diego, Dec. 28, 2015. The recruits are assigned to India Company, 3rd Recruit Training Battalion. U.S. Marine Corps photo by Lance Cpl. Angelica I. Annastas SHARE: Download: Full Size (1.03 MB) Credit: Lance Cpl. Angelica I. Annastas VIRIN: 151228-M-WQ808-092.JPG Photo Gallery