WATERLOGGED U.S. Marine Corps Lance Cpl. Tyler W. Glanzman crawls through the final water-filled trench before finishing the endurance course at the Battle Skills Training School on Camp Lejeune, N.C., July 17, 2009. Glanzman is an ammunition technician assigned to Headquarters and Service Company, Combat Logistics Regiment 27, 2nd Marine Logistics Group. The 3.4-mile endurance course features a variety of obstacles, including walls, culverts and swamps. SHARE: Download: Full Size (0.07 MB) Credit: VIRIN: 505533-V-IJC65-847.jpg Photo Gallery