PACIFIC OCEAN (March 24, 2021) Sailors assigned to San Antonio-class amphibious transport dock ship USS Portland (LPD 27) refuel a CH-53E Super Stallion with Marine Medium Tiltrotor Squadron (VMM) 165 (Reinforced), 11th Marine Expeditionary Unit, aboard Portland. U.S. Navy and Marine Corps integration training provides the Essex Amphibious Ready Group/11th MEU its first opportunity to plan, brief, and execute multiple mission packages. The Essex ARG is underway conducting routine operations in U.S. 3rd Fleet. (U.S. Marine Corps photo by Staff Sgt. Donald Holbert)