RF-4C Phantom II

Left side view of an RF-4C Phantom II with auxiliary fuel tanks in flight August 1968. The aircraft was assigned to the 192nd Tactical Reconnaissance Group, Nevada Air National Guard. (U.S. Air Force photo by SSgt Mark L. Comerford)

RF-4C Phantom II

An RF-4C Phantom II reconnaissance aircraft of the 117th Tactical Reconnaissance Wing is parked at an airfield following a mission on the first day of Operation Desert Storm.

F-4E Phantom II

An air-to-air right side view of an 81st Tactical Fighter Squadron F-4E Phantom II aircraft releasing 18 Mark-82 500-pound bombs over the Bardenas Reales Gunnery Range. (U.S. Air Force photo by Staff Sgt. David Nolan)

F-4 Phantom II

An F-4 Phantom II practices Oct. 23, 2009, for the Southwest Open House at Holloman Air Force Base, N.M. The F-4 is assigned to the 82nd Aerial Targeting Squadron. (U.S. Air Force photo/Tech. Sgt. Chris Flahive)

KC-135 Stratotanker

An Air Force KC-135 Stratotanker from the 340th Expeditionary Air Refueling Squadron refuels a Royal Air Force GR-4 Tornado over Iraq using the multi-point refueling system. With MPRS, Air Force tankers have the versatility to refuel Air Force, Navy and coalition aircraft all in the same mission. On Feb. 26, Air Force, Royal Air Force and French tankers flew 34 sorties and off-loaded almost 2.2 million pounds of fuel. (Royal Air Force photo)

KC-135 Stratotanker

A KC-135 Stratotanker from Grand Forks Air Force Base N.D., refuels an F-22 Raptor from Edwards AFB, Calif. Jan. 18. A refueling team from Grand Forks will be the lead tanker unit at an upcoming Red Flag exercise. (U.S. Air Force photo/Darin Russell)