Army Sgt. Serina Glass instruct a private negotiating the "Victory Tower" on Fort Jackson, S.C., Oct. 25, 2012. The tower is a military obstacle course designed to build personal confidence in new Army recruits. Glass, is a drill sergeant, is assigned to Company E, 1st Battalion, 61st Infantry Regiment. Army Sgt. Serina Glass instruct a private negotiating the "Victory Tower" on Fort Jackson, S.C., Oct. 25, 2012. The tower is a military obstacle course designed to build personal confidence in new Army recruits. Glass, is a drill sergeant, is assigned to Company E, 1st Battalion, 61st Infantry Regiment. SHARE: Download: Full Size (1.67 MB) Tags: Photo Essays Credit: VIRIN: 144900-L-FHE20-400.jpg Photo Gallery