Lt. Col Douglas Walter, commander, 5th Battalion, 20th Infantry Regiment, 3rd Stryker Brigade Combat Team, 2nd Infantry Division, and Col. Hirofumi Hamamoto, commander, 16th Infantry Regiment, 4th Division, Japan Ground Self Defense Force, look out the window of a military aircraft during an aerial tour of the Yakima Training Center, Wash., Sept. 6. Walter and Hamamoto were part of a tour, which was coordinated to show Maj. Gen. Takeyoshi Omori, deputy commander, 4th Division, Japan Ground Self Defense Force, approximately 512 sq. miles of open maneuver training terrain in which the 16th Regimental Combat Team, 4th Division, Japan Ground Self Defense Force, is currently training with American Soldiers as part of Operation Rising Thunder 13. The three-week exercise between Soldiers from I Corps and the 16th RCT is designed to develop all war-fighting functions for both Japanese and U.S. Forces.