Mud Crawl Army Pvt. Tanica Marco in her second week of basic combat training makes her way through the final water obstacle at the Fit to Win endurance course on Fort Jackson, S.C., Oct. 1, 2015. Marco is assigned to Company B, 3rd Battalion, 34th Infantry Regiment. U.S. Army photo by Sgt. 1st Class Brian Hamilton SHARE: Download: Full Size (1.86 MB) Tags: Photo Essays, Basic Combat Training, Obstacle Endurance Course, Brian Hamilton, Fort Jackson, Soldiers, All images Credit: Army Sgt. 1st Class Brian Hamilton VIRIN: 151001-A-OY832-011.JPG Photo Gallery