Before the flight: Maintaining excellence
BEJA AIR BASE, Portugal – U.S. Air Force Staff Sgt. Derek Alexander, 52nd Aircraft Maintenance Squadron crew chief, left, and U.S. Air Force Staff Sgt. Ramon Salas, 52nd AMXS electrical and environmental systems craftsman, remove an engine panel from a 480th Fighter Squadron F-16 Fighting Falcon fighter aircraft at Beja Air Base, Portugal, Oct. 22, 2015. U.S. participation in Trident Juncture 2015l includes Army, Air Force, Navy, Marine Corps and special operations assets, to include some Army National Guard and Air National Guard assets. (U.S. Air Force photo by Airman 1st Class Luke Kitterman/Released)

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