Marines from MEU SSG-31 team up to move a simulated casualty through the Jungle Warfare Training Center. Marines from Marine Expeditionary Unit Service Support Group-31 team up to move a simulated casualty through treacherous terrain at the Jungle Warfare Training Center at Okinawa, Japan, on Aug. 3, 2001. The week long training is capped by an endurance course designed to test the Marines' endurance and leadership skills. SHARE IMAGE: Download Image: Full Size (0.07 MB) Photo By: VIRIN: 345987-E-SLE00-792.jpg Photo Gallery