CFS Sioux Lookout
Coordinates50°04′59″N 092°00′08″W / 50.08306°N 92.00222°W / 50.08306; -92.00222 (Sioux Lookout AS C-16)
TypeRadar Station
Site information
Controlled by United States Air Force
 Royal Canadian Air Force
Site history
Built1952
Built by United States Air Force
In use1953-1962,1962-1987[1]
CFS Sioux Lookout is located in Ontario
CFS Sioux Lookout
CFS Sioux Lookout
Location of Canadian Forces Station Sioux Lookout, Ontario

Canadian Forces Station Sioux Lookout (ADC ID: C-16) is a closed General Surveillance Radar station. It is located 3.7 miles (6.0 km) west of Sioux Lookout, Ontario. It was closed in 1987.

It was operated as part of the Pinetree Line network controlled by NORAD.

History

As a result of the Cold War and with the expansion of a North American continental air defence system, Sioux Lookout was selected as a site for a United States Air Force (USAF) radar station, one of the many that would make up the Pinetree Line of Ground-Control Intercept (GCI) radar sites. Construction on the Sioux Lookout base began in 1952 and was completed by 1953. The base was manned by members of the USAF's Air Defense Command (ADC) 915th Aircraft Control and Warning Squadron, being known as Sioux Lookout Air Station.

In April 1953 of the following year, operations began at the unit's permanent home. The station was equipped with AN/FPS-3C, AN/FPS-502, AN/FPS-20A, AN/TPS-502, and AN/FPS-6B radars. As a GCI base, the 915th's role was to guide interceptor aircraft toward unidentified intruders picked up on the unit's radar scopes. These interceptors were based at Duluth International Airport in Minnesota.

In the early 1960s, the USAF relinquished control of the base to the Royal Canadian Air Force (RCAF). This was part of an arrangement with the United States that came as a result of the cancellation of the Avro Arrow. Canada would lease 66 F-101 Voodoo fighters and take over operation of 12 Pinetree radar bases.

Upon hand-over on 1 October 1962, the operating unit was re-designated 39 Aircraft Control and Warning Squadron and the base, RCAF Station Sioux Lookout. Radars at the station were also upgraded to the following:

In 1963, radar operations at 39 Squadron were automated by the Semi Automatic Ground Environment (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 SAGE DC-10 Direction Center of the 30th NORAD Region. As a consequence of the change, the operating unit was once again renamed, this time as 39 Radar Squadron.

In 1966, Sioux Lookout was reassigned to the 29th NORAD Region, and in October 1967, Sioux Lookout was once again re-designated. This time, the change was due to the creation of the Canadian Armed Forces, the new tri-service organization that absorbed the RCAF, RCN and the Canadian Army. 39 Radar Squadron, RCAF Station Sioux Lookout, became simply Canadian Forces Station (CFS) Sioux Lookout.

In yet another organizational change, Sioux Lookout was again switched to the 23d NORAD Region in 1969. Beginning in 1983 it began reporting to Canada West ROCC.

The last major change came in the 1980s. After a lengthy review by both the Canadian and American defence ministries, it was decided to modernize the North American air defence infrastructure. DEW Line equipment was upgraded and the Line was renamed the North Warning System. With this newer equipment, it was decided to close most Pinetree Stations. CFS Sioux Lookout was thus disbanded in July 1987.

Today, the station remains standing, although thought as deserted and apparently unused, it is privately owned and now used as a homestead.

See also

References

Public Domain This article incorporates public domain material from the Air Force Historical Research Agency

  1. ↑ Nicks, Don; Bradley, John; Charland, Chris (1997). A History of the Air Defence of Canada, 1948-1997. Commander Fighter Group. p. 168. ISBN 978-0-9681973-0-1.
  • Cornett, Lloyd H. and Johnson, Mildred W., A Handbook of Aerospace Defense Organization 1946 - 1980, Archived 2016-02-13 at the Wayback Machine Office of History, Aerospace Defense Center, Peterson AFB, CO (1980).
  • Winkler, David F. & Webster, Julie L., Searching the Skies, The Legacy of the United States Cold War Defense Radar Program, US Army Construction Engineering Research Laboratories, Champaign, IL (1997).
  • Information for Sioux Lookout AS, ON
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