Fortuna Air Force Station

Fortuna Air Force Station
Part of Air Defense Command (ADC)
Elkhorn Township, Divide County,
west of Fortuna, North Dakota

Circa 1977 historical photograph
Type Air Force station
Location code ADC ID: P-27 NORAD ID: Z-27
In use April 1952–July 1979 (main site),
April 1952–1984 (GATR)
Current
owner
sold to civilians, subsequently forfeited to county auditors
Controlled by  United States Air Force
Garrison 780th Radar Squadron
Fortuna AFS
Location of Fortuna AFS, North Dakota

Fortuna Air Force Station is a closed United States Air Force General Surveillance Radar station. It is located 4.2 miles (6.8 km) west of Fortuna, North Dakota. It was closed in 1979 as a radar station, remaining as a Long-Range Radar (LRR) facility until 1984.

Fortuna Air Force Station was part of the last batch of twenty-three radar stations constructed as part of the Air Defense Command permanent network. It was activated in April, and declared completely operational in late 1952.

Contents

History

The 780th Aircraft Control and Warning Squadron began operations using AN/FPS-3 search and AN/FPS-4 height-finder radars, and initially the station functioned as a Ground-control intercept (GCI) and warning station. As a GCI station, the squadron's role was to guide interceptor aircraft toward unidentified intruders picked up on the unit's radar scopes. During 1957 an AN/GPS-3 search radar made a brief appearance. Reportedly, an AN/TPS-10D was also briefly used. In 1958 the 780th began operating an AN/FPS-20A search radar that replaced the AN/GPS-3. By 1960 a pair of AN/FPS-6, -6A handled height-finder chores.

During 1961 Fortuna AFS joined the Semi Automatic Ground Environment (SAGE) system, initially feeding data to DC-20 at Malmstrom AFB, Montana. After joining, the squadron was re-designated as the 780th Radar Squadron (SAGE) on 1 August 1961. The radar squadron provided information 24/7 the SAGE Direction Center where it was analyzed to determine range, direction altitude speed and whether or not aircraft were friendly or hostile. Fortuna was incorporated into BUIC I, a manual back-up interceptor control system implemented in 1962. BUIC I provided limited command and control capability in the event the SAGE system was disabled.

In 1963, the AN/FPS-20A was removed, and the makeup of the radars at Fortuna consisted of an AN/FPS-35 search radar along with AN/FPS-6 and AN/FPS-90 height-finder radars. 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 AFS, VA, reportedly). For the interim, in 1965 an AN/FPS-64 search radar was installed in the former AN/FPS-20A tower; it was removed in 1967 after the AN/FPS-35 was again fully operational. The AN/FPS-90 height-finder radar was removed in 1969. Work proceeded on the installation of BUIC II in 1966, after the installation of a Burroughs CSA-51 computer system, In 1969 it became a BUIC III site.

Over the years, the equipment at the station was upgraded or modified to improve the efficiency and accuracy of the information gathered by the radars. Normal operations continued until 1979 when Aerospace Defense Command was inactivated in September and the radar station was inactivated. The GATR site (R-27) was retained until the Joint Surveillance System (JSS) switchover, c. 1984. The Federal Aviation Administration (FAA) opened a new minimally-manned radar facility about half-way between Sidney, Montana, and Watford City, North Dakota, (just off of Highway 68) before the Fortuna radars were finally decommissioned in 1984.

Current use

The station was bought by private investors that pillaged the site and stripped the site of anything of value and sold it off. After this "salvage", the site was forfeited to Divide County over a valuation dispute, and now sits half-demolished, useless as a facility, and abandoned.

Buildings and facilities

Buildings on the station include:

Recreational Services
Gymnasium, tennis courts, 2-lane bowling alley, horseshoe pits
Motor Pool
Headquarters Building
Library
Dining Hall
Medical Aid Station
Base Housing
45 houses
3 dormitories
NCO dorm
6 BOQ (Bachelor Officer Quarters) units
trailer court (20 units)
Officer's Lounge ("Hilltop Inn")
NCO Open Mess
Radar Tower
Radome
Dental Clinic
Base Exchange
Auto Hobby Shop
Base Theater

The Ground to Air Transmitter-Receiver (GATR) facility was located off-station at , roughly one mile south of the main station.

Air Force units and assignments

Units

Activated on 1 March 1951
Redesignated 780th Radar Squadron (SAGE) on 1 August 1961
Inactivated 1 March 1970
Redesignated 780th Radar Squadron, 1 January 1974
Activated 17 January 1974
Inactivated 29 September 1979
Activated on 1 March 1970
Inactivated on 17 January 1974
Disbanded on 27 September 1984

Assignments

Commanders

See also

References

United States Air Force portal
Military of the United States portal

 This article incorporates public domain material from websites or documents of the Air Force Historical Research Agency.

External links