NAVAL AIR STATION KEY WEST, Fla. - Air Force Staff Sgt. Jam Baro, crew chief, from the 46th Aircraft Maintenance Squadron, blue aircraft maintenance unit, Eglin Air Force Base, Fla., prepares an F-16 Fighting Falcon for a mission during exercise Vigilant Shield 12 on Naval Air Station Key West, Fla., Nov. 6. The exercise in Key West will be the "first-ever proof of concept" for the military's Joint Deployable Integrated Air and Missile Defense System, a collection of high-end radars and missile systems as well as aircraft that work in tandem in the event of a threat to the continental United States. (U.S. Air Force photo by Tech. Sgt. Dennis J. Henry Jr.)