EAST CHINA SEA (Sept. 18, 2020) Medical personnel with the 31st Marine Expeditionary Unit (MEU) and amphibious assault ship USS America (LHA 6) assess simulated casualties during a mass casualty drill aboard the America. America, flagship of the America Expeditionary Strike Group, 31st Marine Expeditionary Unit team, is operating in the 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. Marine Corps photo by Cpl. Brandon Salas)