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: ''For the civil airport, see
Armstrong Airport Armstrong Airport is located east southeast of Armstrong, Thunder Bay District, Ontario Ontario ( ; ) is one of the thirteen provinces and territories of Canada.Ontario is located in the geographic eastern half of Canada, but it has hist ...
'' Canadian Forces Station Armstrong (ADC ID: C-15) is a former General Surveillance Radar station. It is located east of
Armstrong, Thunder Bay District, Ontario Armstrong is a compact rural community, unincorporated place, and divisional point on the Canadian National Railway transcontinental railway main line in the unorganized portion of Thunder Bay District in Northwestern Ontario, Canada. The ...
. It was closed in 1974. It was operated as part of the
Pinetree Line The Pinetree Line was a series of radar stations located across the northern United States and southern Canada at about the 50th parallel north, along with a number of other stations located on the Atlantic Ocean, Atlantic and Pacific coasts. ...
network controlled by
NORAD North American Aerospace Defense Command (NORAD ), known until March 1981 as the North American Air Defense Command, is a combined organization of the United States and Canada that provides aerospace warning, air sovereignty, and protection ...
.


History


Origins

There was military activity in Armstrong during the
Second World War World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the vast majority of the world's countries—including all of the great powers—forming two opposin ...
. The community was the site of a detachment of the
US Army The United States Army (USA) is the land service branch of the United States Armed Forces. It is one of the eight U.S. uniformed services, and is designated as the Army of the United States in the U.S. Constitution.Article II, section 2, cla ...
's 671st Signal Aircraft Warning Company (Reporting), established to detect an enemy air attack on the locks at
Soo Locks The Soo Locks (sometimes spelled Sault Locks but pronounced "soo") are a set of parallel locks, operated and maintained by the United States Army Corps of Engineers, Detroit District, that enable ships to travel between Lake Superior and the low ...
in
Sault Ste. Marie, Michigan Sault Ste. Marie ( ') is the only city in, and county seat of, Chippewa County in the U.S. state of Michigan. With a population of 13,337 at the 2020 census, it is the second-most populated city in the Upper Peninsula after Marquette. It i ...
. The site was opened in 1942 and abandoned in 1943 as an attack seemed less likely. It is believed that the facility was situated in the same place as CFS Armstrong and no trace of it remains.


Cold War

As a result of the
Cold War The Cold War is a term commonly used to refer to a period of geopolitical tension between the United States and the Soviet Union and their respective allies, the Western Bloc and the Eastern Bloc. The term '' cold war'' is used because the ...
and with the expansion of a North American continental air defence system, Armstrong was selected as a site for a
United States Air Force The United States Air Force (USAF) is the air service branch of the United States Armed Forces, and is one of the eight uniformed services of the United States. Originally created on 1 August 1907, as a part of the United States Army Signal ...
(USAF) radar station, one of the many that would make up the Pinetree Line of Ground-Control Intercept (GCI) radar sites. This second period began with construction starting in 1952 and completed in 1954. The site was originally known as Armstrong Air Station in the early 1950s and it was home to the USAF's
Air Defense Command Aerospace Defense Command was a major command (military formation), command of the United States Air Force, responsible for continental air defense. It was activated in 1968 and disbanded in 1980. Its predecessor, Air Defense Command, was est ...
(ADC) 914th Aircraft Control and Warning Squadron.Cornett & Johnson, p. 104 ADC designated the site "C-15". Initial radars installed were
AN/FPS-3 The AN/FPS-20 was a widely used L band early warning and ground-controlled interception radar system employed by the United States Air Force Air Defense Command, the NORAD Pinetree Line in Canada, the USAF CONAD in the continental United States ...
C, AN/FPS-502, AN/TPS-502, and an
AN/FPS-6 The AN/FPS-6 Radar was a long-range height finding radar used by the United States Air Force's Air Defense Command. The AN/FPS-6 radar was introduced into service in the late 1950s and served as the principal height-finder radar for the United Stat ...
B set. The squadron initially reported to the 30th Air Division at
Willow Run AFS Willow Run Airport is an airport in Van Buren Charter Township and Ypsilanti Township, near Ypsilanti, Michigan, United States that serves freight, corporate, and general aviation. Due to its very close proximity to Detroit Metropolitan Ai ...
, Michigan. As a GCI base, the 914th's role was to guide interceptor aircraft toward unidentified intruders picked up on the unit's radar scopes. These interceptors were based at the 29th Air Division at Great Falls (Malmstrom) AFB, Montana. The squadron was inactivated on 1 November 1962. On 1 April 1963 Armstrong AS was connected to the
Semi Automatic Ground Environment The Semi-Automatic Ground Environment (SAGE) was a system of large computers and associated networking equipment that coordinated data from many radar sites and processed it to produce a single unified image of the airspace over a wide area. S ...
(SAGE) system, and the station became a long-range radar site. It would no longer guide interceptors but only look for enemy aircraft, feeding data to the
Duluth Air Defense Sector The Duluth Air Defense Sector (DUADS) is an inactive United States Air Force organization. Its last assignment was with the Air Defense Command 29th Air Division, being stationed at Duluth Airport, Minnesota. It was inactivated on 1 April 19 ...
SAGE DC-10 Data Center of the 30th NORAD Region at
Duluth AFS Duluth Air National Guard Base is a United States Air National Guard base located on the grounds of Duluth International Airport. It is home to the 148th Fighter Wing. History The City of Duluth purchased the original property for the airport in ...
, Minnesota Later that month, the American station was handed over to the
Royal Canadian Air Force The Royal Canadian Air Force (RCAF; french: Aviation royale canadienne, ARC) is the air and space force of Canada. Its role is to "provide the Canadian Forces with relevant, responsive and effective airpower". The RCAF is one of three environm ...
and renamed the site as RCAF Station Armstrong. This was part of an arrangement with the United States that came as a result of the cancellation of the
Avro Arrow The Avro Canada CF-105 Arrow was a delta-winged interceptor aircraft designed and built by Avro Canada. The CF-105 held the promise of Mach 2 speeds at altitudes exceeding and was intended to serve as the Royal Canadian Air Force's (RCAF) p ...
. Canada would lease 66
F-101 Voodoo The McDonnell F-101 Voodoo is a supersonic jet fighter which served the United States Air Force (USAF) and the Royal Canadian Air Force (RCAF). Initially designed by McDonnell Aircraft Corporation as a long-range bomber escort (known as a ''p ...
fighters and take over operation of 12 Pinetree radar bases. The new radar unit, 38 AC&W Squadron, continued in the early warning role. It would later be known as 38 Radar Squadron. It was also upgraded with the following radars: * Search Radar:
AN/FPS-3 The AN/FPS-20 was a widely used L band early warning and ground-controlled interception radar system employed by the United States Air Force Air Defense Command, the NORAD Pinetree Line in Canada, the USAF CONAD in the continental United States ...
C, AN/FPS-502,
AN/FPS-27 The AN/FPS-27 Radar was a Long Range search radar used by the United States Air Force Air Defense Command. Westinghouse built a Frequency Diverse (FD) search radar designed to operate in the S-band from 2322 to 2670 MHz. The radar was design ...
* Height Radar: AN/TPS-502,
AN/FPS-6 The AN/FPS-6 Radar was a long-range height finding radar used by the United States Air Force's Air Defense Command. The AN/FPS-6 radar was introduced into service in the late 1950s and served as the principal height-finder radar for the United Stat ...
B, AN/FPS-26 Popular by virtue of being the only radio station, CFAO began broadcasting from the trailer court on the station in the early 60's with a 10 watt transmitter. It was run by a core of 20 volunteers offering music and news to the station and surrounding area seven days a week on 1450 kHz. Armstrong had up to three deHavilland Canada Otters operating from the DOT run airfield at any one time. The Otter Flight's duties ranged from logistical support, search and rescue, to "Flying Doctor" services. The "Flying Doctor" service was offered on a weekly and monthly basis to personnel stationed at Pagwa and Sioux Lookout. Medical evacuations were carried out as necessary. Dental services were provided on a bi-monthly visit by a Royal Canadian Army Dental Corps detachment. The station had limited recreational facilities, so hunting and fishing became quite popular, as did snowmobiling. With unification of the
Canadian Forces } The Canadian Armed Forces (CAF; french: Forces armées canadiennes, ''FAC'') are the unified military forces of Canada, including sea, land, and air elements referred to as the Royal Canadian Navy, Canadian Army, and Royal Canadian Air Force. ...
, the facility was renamed Canadian Forces Station Armstrong in 1967. Improvements in radar technology made the site redundant, and closed on 1 September 1974. CFS Armstrong was disbanded on 1 October 1974. Later that year the site was sold to private owners and became into a popular gathering area for Armstrong residents. The site included a restaurant and bar, hotel, multiple apartments, garages, and a curling rink. The area, known as D&L, was closed in 1993 and remains abandoned behind the main gate. There is much to see for the ghost town hunter as all but a few buildings remain. A few Radar towers are standing and the airfield is now run by the provincial government.


See also

*
List of Royal Canadian Air Force stations This is a list of stations operated by the Royal Canadian Air Force (RCAF), or stations where RCAF units existed, from 1924 until unification into the Canadian Forces on February 1, 1968. Some of the RCAF stations listed in this article link to f ...
*
List of USAF Aerospace Defense Command General Surveillance Radar Stations United States general surveillance radar stations include Army and USAF stations of various US air defense networks (in reverse chronological order): *Joint Surveillance System (JSS), with radar stations controlled by joint FAA/USAF ROCCs beginnin ...


References

* * Ozorak, Paul. ''Abandoned Military Installations of Canada: Volume I: Ontario''. 1991. . *
Information for Armstrong AS, ON


External links



{{DEFAULTSORT:Armstrong Canadian Forces bases in Ontario Royal Canadian Air Force stations Buildings and structures in Thunder Bay District Military installations closed in 1974 1954 establishments in Ontario 1974 disestablishments in Ontario Military installations established in 1954