Pfc. Ross Simpson advances through an obstacle course at the Jungle Warfare Training Center. U.S. Marine Corps Pfc. Ross Simpson, with 7th Communications Battalion, advances through an obstacle course at the Jungle Warfare Training Center at Camp Gonsalves, Okinawa, Japan, on Aug. 21, 2009. Jungle Warfare Training Center training shows service members how to become effective war fighters in a jungle environment by teaching them land navigation, small unit leadership, patrolling and obstacle maneuvering. SHARE: Download: Full Size (0.03 MB) Credit: VIRIN: 819627-O-JJV49-167.jpg Photo Gallery