A row of British Royal Air Force Typhoon FGR4s sit on the flightline at Langley Air Force Base, Va., Jan. 23, 2013. British and American units will participate in Exercise Western Zephyr, testing the capabilities and tactics of both the F-22 Raptor and Typhoon. (U.S. Air Force photo by Senior Airman Kayla Newman/Released)

Royal Air Force Wing Cmdr. Paul Godfrey, XI Squadron Typhoon FGR4 pilot, prepares for takeoff during Exercise Western Zephyr at Langley Air Force Base, Va., Jan. 29, 2013. Exercise Western Zephyr tests the capabilities and tactics of both the F-22 Raptor and Typhoon. (U.S. Air Force photo by Senior Airman Kayla Newman/Released)

Royal Air Force Wing Cmdr. Paul Godfrey, XI Squadron Typhoon FGR4 pilot, taxis down the flight line during Exercise Western Zephyr at Langley Air Force Base, Va., Jan. 29, 2013. The XI Squadron is traveling from RAF Coningsby to participate in Coalition exercises. (U.S. Air Force photo by Senior Airman Kayla Newman/Released)

Royal Air Force Flight Lt. Helen Seymour, XI Squadron Typhoon FGR4 pilot, communicates with crew chiefs during pre-flight checks during Exercise Western Zephyr at Langley Air Force Base, Va., Jan. 29, 2013. In order to enhance the joint capability of the Typhoon FGR4, XI Squadron RAF is training with the F-22 Raptor. (U.S. Air Force photo by Senior Airman Kayla Newman/Released)

A Typhoon FGR4 taxis down the flight line as two T-38 Talons prepare to take off at Langley Air Force Base, Va., Jan. 30, 2013. The jets are participating in Exercise Western Zephyr, testing the capabilities and tactics of the Typhoon. (U.S. Air Force photo by Senior Airman Kayla Newman/Released)

Two Typhoon FGR4s wait as an F-22 Raptor prepares to take off at Langley Air Force Base, Va., Jan. 30, 2013. In order to enhance the joint capability of the Typhoon FGR4, XI Squadron RAF is operating with the F-22 Raptor. (U.S. Air Force photo by Senior Airman Kayla Newman/Released)

A Eurofighter Typhoon FGR4 taxis down the flightline as two T-38 Talons prepare to take off Jan. 30, 2013, at Joint Base Langley-Eustis, Va. The jets are participating in Exercise Western Zephyr, which tests the capabilities and tactics of the Typhoon.  (U.S. Air Force photo/Senior Airman Kayla Newman)

A British Royal Air Force Typhoon FGR4 prepares to taxi on the flightline at Langley Air Force Base, Va., Jan. 23, 2013. Approximately 200 British airmen from XI Squadron RAF have joined forces with the 1st Fighter Wing in the first integration efforts of the F-22 Raptor and the Typhoon. (U.S. Air Force photo by Senior Airman Kayla Newman/Released)

A U.S. Air Force F-22 Raptor pilot and a British Royal Air Force Typhoon FGR4 pilot talk on the flightline at Langley Air Force Base, Va., Jan. 23, 2013. British and American units will participate in Exercise Western Zephyr, testing the capabilities and tactics of both the F-22 Raptor and Typhoon. (U.S. Air Force photo by Senior Airman Kayla Newman/Released)

A British Royal Air Force Typhoon FGR4 sits on the flightline at Langley Air Force Base, Va., Jan. 23, 2013. Approximately 200 British airmen from XI Squadron RAF have joined forces with the 1st Fighter Wing in the first integration efforts of the F-22 Raptor and the Typhoon. (U.S. Air Force photo by Senior Airman Kayla Newman/Released)

A British Royal Air Force Typhoon FGR4 sits on the flightline at Langley Air Force Base, Va., Jan. 23, 2013. Approximately 200 British airmen from XI Squadron RAF have joined forces with the 1st Fighter Wing in the first integration efforts of the F-22 Raptor and the Typhoon. (U.S. Air Force photo by Airman 1st Class Victoria Taylor/Released)