A Marine with the Maritime Raid Force, 24th Marine Expeditionary Unit, participates in a live-fire training exercise on the flight deck of the amphibious transport dock ship USS New York (LPD 21) in the Gulf of Aden, June 14, 2015. The 24th MEU is embarked on the ships of the Iwo Jima Amphibious Ready Group and is deployed to maintain regional security in the U.S. 5th Fleet Area of operations. (U.S. Marine Corps photo by Cpl. Todd F. Michalek/Released)