10/20/2006 - An F-16 Fighting Falcon takes off while other aircraft go through pre-flight checks Oct. 19 during Red Flag 07-1 at Nellis Air Force Base, Nev. Red Flag tests aircrew warfighting skills in realistic combat situations. (U.S. Air Force photo/Master Sgt. Kevin J. Gruenwald)

10/20/2006 - An F-16 Fighting Falcon from the 64th Aggressor Squadron at Nellis Air Force Base, Nev., approaches the boom on a KC-135 Stratotanker to refuel Oct. 19 during Red Flag 07-1. Red Flag tests aircrew warfighting skills in realistic combat situations. The aircraft fly missions at the nearby Nevada Test and Training Range where they simulate an air war. (U.S. Air Force photo/Master Sgt. Kevin J. Gruenwald)

10/20/2006 - Senior Airman Kelly Nichols closes the bay door on a KC-135 Stratotanker Oct. 19 during Red Flag 07-1 at Nellis Air Force Base, Nev. Airman Nichols is a boom operator with the 92nd Air Refueling Squadron at Fairchild AFB, Wash. (U.S. Air Force photo/Master Sgt. Kevin J. Gruenwald)

10/20/2006 - KC-135 Stratotanker pilots perform cockpit set-up before take-off Oct. 19 at Red Flag 07-1 at Nellis Air Force Base, Nev. (U.S. Air Force photo/Master Sgt. Kevin J. Gruenwald)

10/20/2006 - Four F-16 Fighting Falcons fly in formation with a KC-135 Stratotanker during refueling operations Oct. 19 at Red Flag 07-1. The exercise was held at Nellis Air Force Base, Nev., Oct. 10 to 20. (U.S. Air Force photo/Master Sgt. Kevin J. Gruenwald)

10/20/2006 - F-15 Eagles taxi out Oct. 19 during Red Flag 07-1 at Nellis Air Force Base, Nev. Red Flag tests aircrews' warfighting skills in realistic combat situations. (U.S. Air Force photo/Master Sgt. Kevin J. Gruenwald)

10/20/2006 - Airmen marshal in a KC-135 Stratotanker Oct. 19 during Red Flag 07-1 at Nellis Air Force Base, Nev. (U.S. Air Force photo/Master Sgt. Kevin J. Gruenwald)

10/20/2006 - First Lt. Ian Slazinik reviews inflight data Oct. 19 during Red Flag 07-1 at Nellis Air Force Base, Nev. The lieutenant is a KC-135 Stratotanker pilot. (U.S. Air Force photo/Master Sgt. Kevin J. Gruenwald)

10/20/2006 - An F-15 Eagle heads out to the range Oct. 19 during Red Flag 07-1 at Nellis Air Force Base, Nev. (U.S. Air Force photo/Master Sgt. Kevin J. Gruenwald)

10/20/2006 - Senior Airman Jesse Wright prepares to fuel an F-16 Fighting Falcon Oct. 19 during Red Flag 07-1. Red Flag, held at Nellis Air Force Base, Nev., Oct. 10 to 20, tests aircrew warfighting skills in realistic combat situations. The aircraft fly missions at the nearby Nevada Test and Training Range simulating an air war. Airman Wright is a KC-135 Stratotanker boom operator with the 92nd Air Refueling Squadron at Fairchild AFB, Wash. (U.S. Air Force photo/Master Sgt. Kevin J. Gruenwald)