U.S. Air Force LT. COL. Kevin Robbins (right), an F-15 Eagle aircraft pilot from the 67th Fighter Squadron, Kadena Air Base, Japan, together with STAFF SGT. Kevin Hall, a crew chief, conduct pe-flight check of their F-15 aircraft during exercise Keen Sword 05 at Hyakuri Air Base, Japan, on Nov. 18, 2004. The purpose of Keen Sword 05 is to increase the defensive readiness of Japanese and American forces through training in air, ground and sea operations, and to improve interoperability between the two countries╒ forces. (USAF PHOTO by MASTER SGT. Val Gempis) (Released)