sentences:  On 31 July 1963, the site was redesignated as NORAD ID Z-27.In 1964 an AN/FPS-26A height-finder radar was installed, and the AN/FPS-6 was retired.In the winter of 1964, a fierce wind storm blew over the AN/FPS-35 sail; the sail was not replaced until the following year (by the one formerly installed at Manassas Air Force Station, Virginia, reportedly).