Snug Helmet A soldier adjusts his helmet while rehearsing individual movement techniques in preparation for night infiltration training on Fort Jackson, S.C., Dec. 3, 2015. U.S. Army photo by Sgt. 1st Class Brian Hamilton SHARE: Download: Full Size (1.78 MB) Tags: Urban Assault Course, South Carolina, 108th Training Command (IET), Photo Essays, Basic Combat Training, USADSA, Individual Movement Techniques, Low Crawl, High Crawl, Night Infiltration Course, Drill sergeant, Army Reserve, Soldier, warrior tasks, Fort Jackson, Army, All images Credit: Sgt. 1st Class Brian Hamilton VIRIN: 151203-A-OY832-037.JPG Photo Gallery