U.S. Army Spc. Thomas Dougherty, assigned to the 511th Dive Detachment, Special Troops Battalion, 7th Sustainment Brigade, inspects the stability of a decompression chamber aboard the Landing Craft Utility 2004 before the start of a training exercise off the Cheatham Annex Naval Station, Va. shore March 6, 2013. The team was evaluated on how successfully they could operate when normal dive operations go awry. (U.S. Army photo by Sgt. Edwin Rodriguez/Released)