180721-N-LH273-0234 PACIFIC OCEAN (July 21, 2018) An MH-60S Sea Hawk helicopter attached to the “Blackjacks�? of Helicopter Sea Combat Squadron (HSC) 21 transfers cargo the to Wasp-class amphibious assault ship USS Essex (LHD 2) while conducting a vertical replenishment during a scheduled deployment of the Essex Amphibious Ready Group (ARG) and the 13th Marine Expeditionary Unit (13th MEU). The Essex ARG/MEU team is a strong, flexible, responsive, and consistent force capable of maneuver warfare across all domains; it is equipped and scalable to respond to any crisis from humanitarian assistance and disaster relief to contingency operations. (U.S. Navy photo by Mass Communication Specialist 2nd Class Adam Brock/Released)