Drill Practice Marine Corps recruits perform drill movements during practice for the platoon's final drill competition at Marine Corps Recruit Depot, Parris Island, S.C., Jan. 7, 2020. The drills test instructors on their ability to give commands and test recruits on how to execute the movements properly. SHARE: Download: Full Size (2.17 MB) Tags: Marine Corps Credit: Marine Corps Chief Warrant Officer Bobby Yarbrough VIRIN: 200107-M-DE426-008A.JPG Photo Gallery