200219-N-XL376-1093 GULF OF THAILAND (Feb. 19, 2020) Marines prepare assault amphibious vehicles to launch from the well deck of the San Antonio-class amphibious transport dock ship USS Green Bay (LPD 20) to perform gunnery operations. Green Bay, part of the America Expeditionary Strike Group, 31st Marine Expeditionary Unit team, is operating in the U.S. 7th Fleet area of operations to enhance interoperability with allies and partners and serve as a ready response force to defend peace and stability in the Indo-Pacific region. (U.S. Navy photo by Mass Communication Specialist 3rd Class Maria G. Llanos/Released)