KUNSAN AIR BASE, Republic of Korea -- U.S. Air Force and ROK Air Force leaders exchange tactics and procedures for the protection and safety of the peninsula here March 9. This knowledge exchange is part of an exercise called "Buddy Wing," which is a combined fighter exchange program designed to improve interoperability between the USAF and ROKAF fighter squadrons. (U.S. Air Force photo/Tech. Sgt. Jonathan Pomeroy)