Secretary Cohen addresses U.S. military personnel serving at Incirlik Air Base, Turkey. Secretary of Defense William S. Cohen addresses U.S. military personnel serving at Incirlik Air Base, Turkey, on July 14, 1999. The air base is used by Turkey, the U.S., and Great Britain as the headquarters of Operation Northern Watch. Northern Watch is the U.S. and coalition enforcement of the no-fly-zone over Northern Iraq. The F-16C Fighting Falcon in the background belongs to the 120th Fighter Squadron of the 138th Fighter Wing, Oklahoma Air National Guard from Tulsa. National Guard squadrons are regular participants in Operation Northern Watch. SHARE: Download: Full Size (0.05 MB) Credit: VIRIN: 485068-I-ZPE69-233.jpg Photo Gallery