GWANGJU AIR BASE, Republic of Korea - Turkish Air Force Maj. Sinan Durkaya, Turkish Air Force attache, and Colombian Army Col. Cesar Parra, talk to members of the Republic of Korea Air Force about the capabilities of the F-15K Slam Eagle during a visit to Gwangju Air Base, April 23. Air attaches and members of the Neutral Nations Supervisory Commission visited Gwangju to observe Exercise Max Thunder, a combined, joint air combat exercise that replicates scenarios and planning cycles in a robust exercise setting that simulates combined operations against a hostile force and provides large-force employment training for U.S. and ROK military personnel.