160514-M-BE869-060 ATLANTIC OCEAN (May 14, 2016) U.S. Marines and U.S. Sailors with the 22nd Marine Expeditionary Unit (MEU), and USS Wasp (LHD-1), perform mass casualty training aboard the Wasp in order to practice their techniques and procedures. The 22nd MEU and amphibious Squadron Six (PHIBRON-6) are underway for composite training unit exercise. (U.S. Marine Corps photo by Cpl. Ryan G. Coleman/Released)