Japanese Self-Defense Force Staff Sgt. Shuichiro Masunaga, 6th Tactical Fighter Squadron aircraft general technician, performs thru-flight maintenance on an F-15C Eagle as part of an NCO Bilateral Exchange program Nov.19, 2019, at Kadena Air Base, Japan. Bilateral exchanges allow for a better understanding of the capabilities held by each countries Armed Forces, as well as the opportunity to improve relations between the United States and Japan. (U.S.Air Force photo by Senior Airman Rhett Isbell)