180413-M-OP674-022 PACIFIC OCEAN (April 13, 2018) An MH-60S Sea Hawk helicopter flies over a landing craft, air cushion during flight operations off the coast of Okinawa, Japan. The 31st Marine Expeditionary Unit (31st MEU) provides a flexible force ready to perform a wide range of military operations throughout the Indo-Pacific region. (U.S. Marine Corps photo by Lance Cpl. Amy Phan/Released)