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)