180503-M-YR007-1059 PACIFIC OCEAN (May 3, 2018) U.S. Marines in AH-1Z Viper and UH-1Y Venom helicopters assigned to Marine Medium Tiltrotor Squadron (VMM) 166 (Reinforced), 13th Marine Expeditionary Unit (13th MEU), wait for approval to take flight while U.S. Navy Sailors with Assault Craft Unit 5 carry Marines with the artillery detachment of Battalion Landing Team 3/1, 13th MEU on a Landing Craft, Air Cushioned into the well deck of the San-Antonio class amphibious transport dock ship USS Anchorage (LPD 23), May 3, 2018. The Essex Amphibious Ready Group (ARG) and 13th MEU integrated to conduct the second major exercise of their pre-deployment training. ARG, MEU Exercise (ARGMEUEX) provides essential and realistic ship-to-shore training, designed to enhance the integration of the Navy-Marine Corps team. ARGMEUEX provides an opportunity to integrate unique individual and unit skills and develop the Essex ARG and 13th MEU’s collective proficiency in challenging and unfamiliar environments. (U.S. Marine Corps photo by Cpl. Austin Mealy/Released)