Before the flight: Maintaining excellence
                BEJA AIR BASE, Portugal – Four F-16 Fighting Falcon fighter aircraft, assigned to the 480th Fighter Squadron at Spangdahlem Air Base, Germany, taxi down the runway before takeoff at Exercise Trident Juncture 2015 at Beja Air Base, Portugal, Oct. 22, 2015. Trident Juncture is an annual NATO Response Force certification exercise. (U.S. Air Force photo by Airman 1st Class Luke Kitterman/Released)
                
                    
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