Hold on Tight After losing his balance on a rope bridge obstacle, a soldier attempts to shimmy to the other side while his drill sergeant watches on Fort Jackson, S.C., Oct. 28, 2015. The soldier is assigned to Company E, 2nd Battalion, 39th Infantry Regiment. U.S. Army photo by Sgt. 1st Class Brian Hamilton SHARE: Download: Full Size (2.26 MB) Credit: Sgt. 1st Class Brian Hamilton VIRIN: 151028-A-OY832-105.JPG Photo Gallery