U.S. Navy Beach Masters with Naval Beach Unit 7, guide a landing craft, air cushion as it transports U.S. Marines with Combat Logistics Battalion 31, 31st Marine Expeditionary Unit (MEU), on Kin, Okinawa, Japan, March 21, 2015. The 31st MEU is currently conducting its Spring Patrol of the Asia-Pacific region. (U.S. Marine Corps photo by GySgt Ismael Pena/Released)