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Republic of Korea F-15K Slam Eagle pilots are greeted by U.S. Air Force Lt. Gen. Thomas W. Bergeson, 7th Air Force Commander, following a landing of the B1-B Lancer at Osan Air Base, Republic of Korea, Sept. 21, 2016. ROKAF F-15s and U.S. Air Force F-16 Fighting Falcons escorted the B1-B, which is deployed from Andersen Air Base, Guam, over Osan before landing. The flight was the closest a B-1 has ever flown to the border between the Republic of Korea and North Korea. (U.S. Air Force photo by Staff Sgt. Rachelle Coleman)