200301-N-BT681-1056 GULF OF THAILAND (March 1, 2020) An MH-60S Sea Hawk helicopter assigned to Helicopter Sea Combat Squadron (HSC) 25 delivers cargo to the amphibious assault ship USS America (LHA 6) during a replenishment-at-sea with the amphibious transport dock ship USS Green Bay (LPD 20), the dry cargo and ammunition ship USNS Cesar Chavez (T-AKE 14) and the fleet replenishment oiler USNS John Ericsson (T-AO 194), March 1, 2020. America Expeditionary Strike Group-31st Marine Expeditionary Unit is participating in Cobra Gold 20, the largest theater security cooperation exercise in the Indo-Pacific Region and an integral part of the U.S. commitment to strengthen engagement in the region. (U.S. Navy photo by Mass Communication Specialist Seaman Jonathan Berlier/Released)