Japan Ground Self-Defense Force members prepare ammunition to be loaded into the 20mm cannon on a Cobra anti-tank helicopter at a forward aircraft refueling point at Yakima Training Center, Wash., Sept. 4. The exercise was part of Operation Rising Thunder, a combined operation between the Army and Japan designed to increase interoperability between the two nations. (U.S. Army photo by Sgt. Cody Quinn, 28th Public Affairs Detachment)