Claim: The Hanna City Air Force Station included over 35 buildings and miscellaneous smaller structures, and in 1958, it replaced the AN/FPS-3 with an AN/FPS-20 search radar, and added an AN/FPS-6A height-finder radar.
Evidence: The Air Force constructed and operated the station, which included over 35 buildings and miscellaneous smaller structures. In 1958 Hanna City AFS replaced the AN/FPS-3 with an AN/FPS-20 search radar, and added an AN/FPS-6A height-finder radar.