180601-N-GR847-0113 PACIFIC OCEAN (June 1, 2018) An MV-22 Osprey attached to Marine Medium Tilt Rotor Squadron (VMM) 166 departs the flight deck of Whidbey Island-class amphibious dock landing ship USS Rushmore (LSD 47) during a composite training unit exercise (COMPTUEX). COMPTUEX is the final pre-deployment exercise which certifies the combined Essex Amphibious Ready Group and 13th Marine Expeditionary Unit's abilities to conduct military operations at sea and project power ashore during their upcoming deployment in summer of 2018. (U.S. Navy photo by Mass Communication 3rd Class Reymundo A. Villegas III/Released)