A Marine with the Maritime Raid Force, 24th Marine Expeditionary Unit, climbs a tactical ladder to board the amphibious transport dock USS New York (LPD 21) during a routine nighttime visit, board, search, and seizure training exercise, April 2, 2015. The 24th MEU is embarked on the ships of the Iwo Jima Amphibious Ready Group and 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)