Sgt. Cheston Souza washes the windows of a 5 ton military truck before reloading it aboard a ship during Exercise Tandem Thrust 2001 in Rockhampton, Australia on May 26, 2001. Souza is participating in a combined military training exercise involving more than 18,000 U.S., Australian, and Canadian personnel who are training in crisis action planning and execution of contingency response operations. The vehicles are washed before coming into Australia and just prior to leaving to eliminate the spread of agricultural pests. Souza is from the Marine Wing Support Squadron, Marine Corps Air Station, Yuma, Arizona.