Crossing Concentration A soldier concentrates on getting across a 20-foot-long rope bridge obstacle at Victory Tower at Fort Jackson, S.C., June 8, 2016. The soldier is assigned to Company A, 2nd Battalion, 13th Infantry Regiment. Army photo by Sgt. 1st Class Brian Hamilton SHARE: Download: Full Size (2.27 MB) Credit: Sgt. 1st Class Brian Hamilton VIRIN: 160608-A-OY832-015A.JPG Photo Gallery