U.S. Marine Corps Lance Cpl. Nathan Sorrentino, with the Provost Marshal's Office, navigates for his patrol at the Jungle Warfare Training Center at Camp Gonsalves, Okinawa, Japan, on Aug. 19, 2009. The Jungle Warfare Training Center 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.