U.S. Marines with Battalion Landing Team 3rd Battalion, 5th Marines, 31st Marine Expeditionary Unit, conducts marksmanship training on the flight deck as part of Amphibious Integration Training aboard the USS Peleliu, out at sea, Sept. 07, 2014. The Marines conduct training in order to maintain their marksmanship skills. (U.S. Marine Corps photo by GySgt Ismael Pena/Released)