Destin, FL

ZIP code 32540 encompasses the Eglin Air Force Base in Fort Walton Beach, Florida. This military installation is a key landmark in the area, serving as the largest air force base in the world by land area. The base houses various units and facilities, including the Air Armament Center and the 96th Test Wing. In addition to its military significance, Eglin Air Force Base plays a vital role in national defense and aerospace research.