ART check
(TINKER AIR FORCE BASE, OKLA) Staff Sgt. Stephen Quinn, 960th Airborne Air Control Squadron airborne radar technician, performs his system checks during the E-3 Sentry 30th anniversary flight on Mar. 23. The E-3 first arrived at Tinker on Mar. 23, 1977, and Airmen have been conducting the same aerial surviellance mission for the past 30 years. (Air Force photo by Staff Sgt. Stacy Fowler)