Equipment Operator Second Class Peter Thomson (left) and Disbursing Clerk Second Class Susan Petersen (right), keep on the alert for aggressors after they have just had a gas attack at Jungle Warfare Traning Center (JWTC). Exercises at JWTC are conducted by the Seabees once a year in Combat Town, Okinawa, Japan, at which the Seabees act as a defense, fighting against aggressors to maintain their position in combat