170127-N-AV754-079 ATLANTIC OCEAN (Jan. 27, 2017) Marines assigned to the 24th Marine Expeditionary Unit board an MV-22 Osprey aircraft aboard the amphibious assault ship USS Bataan (LHD 5). The ship is underway conducting a composite training unit exercise with its amphibious ready group in preparation for an upcoming deployment. (U.S. Navy photo by Mass Communication Specialist 3rd Class Evan Thompson/Released)