U.S. Army Pvt. Rock Fatino operates a hand crank while Spc. Jacob Rodriguez sets up radar equipment on Campo Pond in Hanau, Germany, Sept. 12, 2007, during the training exercise Nimble Panther. (U.S. Army photo by Martin Greeson)

U.S. Army 1st Lt. Luke Booth, from Alpha Company, 1st Battalion, 5th Infantry Regiment, monitors communications and awaits his next operational order during Talisman Sabre 2007 in Shoalwater Bay, Australia, June 23, 2007. The biennial exercise is designed to train Australian and U.S. forces in planning and conducting combined task force operations, which will help improve combat readiness and interoperability. (U.S. Navy photo by Mass Communication Specialist 2nd Class Sandra M. Palumbo) www.army.mil

U.S. Army Spc. Ruben Casiano Jr., from Alpha Company, 1st Battalion, 5th Infantry Regiment, uses the Stryker Infantry Carrier Vehicle's remote weapon system to scan the area for enemy contact during Talisman Sabre 2007 in Shoalwater Bay, Australia, June 20, 2007. The biennial exercise is designed to train Australian and U.S. forces in planning and conducting combined task force operations, which will help improve combat readiness and interoperability. (U.S. Navy photo by Mass Communication Specialist 2nd Class Sandra M. Palumbo) www.army.mil