GULF OF THAILAND (March 1, 2020) Sailors assigned to San-Antonio-class amphibious transport dock USS Green Bay (LPD 20) take on fuel from fleet replenishment oiler USNS John Ericsson (T-AO 194) in support of Exercise Cobra Gold 2020, March 1, 2020. America Expeditionary Strike Group-31st Marine Expeditionary Unit team are participating in Cobra Gold 20, the largest theater security cooperation 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 3rd Class Vincent E. Zline)