Maintainers from the 179th Fighter Squadron, a subordinate unit of the 148th Fighter Wing out of Duluth, Minn., prepare to launch F-16s for a mission at Tyndall Air Force Base, Fla., Jan. 27. The 148th FW is working with the 53rd Weapons Evaluation Group at Tyndall AFB for two weeks to train for their Air Sovereignty Alert missions and to validate their new Block 50 F-16s. (U.S. Air Force photo by Tech. Sgt. John Hoffmann)