ON THE MOVE U.S. Marines quickly move to their first event in a squad competition on Camp Hansen, Okinawa, Japan, Jan. 11, 2014. Nine squads competed in events to test physical endurance, hand-to-hand combat, teamwork and knowledge. The 31st Marine Expeditionary Unit is the Marine Corps’ force in readiness in the Asia-Pacific region. SHARE: Download: Full Size (0.06 MB) Credit: VIRIN: 819869-H-XCG94-819.jpg Photo Gallery