INDIAN OCEAN (Jan. 20, 2022) Sailors assigned to the amphibious transport dock ship USS Portland (LPD 27), strap a simulated casualty to a stretcher during a mass casualty exercise aboard Portland, Jan. 20, 2021. The 11th Marine Expeditionary Unit and Essex Amphibious Ready Group are operating in the U.S. 7th Fleet area of operations to enhance interoperability with alliances and partners and serve as a ready response force to ensure maritime security and a free and open indo-pacific region. (U.S. Marine Corps photo by Cpl. Patrick Katz)