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NELLIS AIR FORCE BASE, Nev. -- Staff Sgt. Trevor Wilson prepares an E-3 Sentry Airborne Warning and Control System aircraft for flight during Joint Red Flag 2005 here March 28. About 10,000 U.S. servicemembers and coalition forces are participating in the exercise here and at Fort Hood, Texas, and Fort Bliss, Texas, until April 2. Sergeant Wilson is a crew chief with Air Force Reserve Command's 513th Air Control Group from Tinker Air Force Base, Okla. (U.S. Air Force photo by Tech. Sgt. Patrick M. Kuminecz)