Selfridge AFB radar station

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Selfridge AFB radar station
call sign: Silvia
USAF General Surveillance Radar Station
Country United States
State Michigan
Command Aerospace Defense Command
Location point east of radar tower
 - coordinates 42°37′40.5″N 82°49′45.1″W / 42.627917°N 82.829194°W / 42.627917; -82.829194 [1]
Annexes Gap Filler radar sites
 - P-20A Burnside MI 43°10′53″N 083°03′11″W / 43.18139°N 83.05306°W / 43.18139; -83.05306 (P-20A)
 - P-20B Emery MI 42°22′00″N 083°39′42″W / 42.36667°N 83.66167°W / 42.36667; -83.66167 (P-20B)
 - P-20C Marblehead OH 41°32′21″N 082°44′26″W / 41.53917°N 82.74056°W / 41.53917; -82.74056 (P-20C)
External images
1960 radar station w/ tower (bunker site to left)
Missile Master complex in 1961 & c2004
radar station & "GATR site"
Selfridge AFB
Army Air Defense Command Post
Army command and control facility
1965 Missile Master interfaces.png
The Selfridge AADCP networked local radars (middle, bottom) and directed Michigan's Nike fire units--each with a network of 3 radars (top) for acquiring the target, tracking the target, and tracking/guiding the Nike missile.
Country United States
State Michigan
Region Detroit Defense Area
Command Army Air Defense Command
Parts 1957: AN/FSG-1
1967: AN/TSQ-51[2]:136
Location Missile Master nuclear bunker
 - coordinates 42°37′37″N 82°49′47″W / 42.62694°N 82.82972°W / 42.62694; -82.82972Coordinates: 42°37′37″N 82°49′47″W / 42.62694°N 82.82972°W / 42.62694; -82.82972 [3]

The Selfridge AFB radar station is a United States military facility in Michigan. It began operations in 1949 with a Bendix AN/CPS-5 Radar test that tracked aircraft at 210 mi (340 km).[citation needed] A height finder MIT AN/CPS-4 Radar was added by March 9, 1950;[2] and the station was site L-17 of the Lashup Radar Network and site LP-17[when?] of the subsequent network during construction of the Air Defense Command permanent network. The 661st Aircraft Control and Warning Squadron was activated at Selfridge in 1951, and with a pair of General Electric AN/CPS-6 Radars,[clarification needed] the station became site LP-20 of the permanent ADC network in 1952. In 1957 the station added a height finder General Electric AN/FPS-6 Radar. The station became part of the Semi Automatic Ground Environment radar network in 1959, supplying radar tracks to SAGE data center DC-06 at Custer Air Force Station, Michigan, for directing interceptor aircraft and CIM-10 Bomarc air defense missiles.

By 1960, the AN/CPS-6 radar had been replaced by a Bendix AN/FPS-20 Radar for general surveillance, and the site had an additional General Electric AN/FPS-6A height-finder radar. A Sperry AN/FPS-35 radar installed at the station's tower in 1961 became operational in 1962, and the AN/FPS-6A height-finder was replaced with an Avco AN/FPS-26A Radar c. 1963. On 31 July 1963, Selfridge AFB was redesignated as NORAD site Z-20.

The 661st AC & WS also operated Gap Filler sites with Bendix AN/FPS-18 Radars before deactivating on July 1, 1974. The radar station was shared with the United States Army for Nike missile command-and-control.

In 1960, Army Air Defense Command Post (AADCP) D-15DC was constructed for coordinating Nike surface-to-air missile launches from numerous Michigan batteries from Algonac/Marine City (D-17) south to Carleton (D-57) & Newport (D-58). The AADCP closed when the Army deactivated the remaining D-06, D-58, & D-87 batteries in April 1974 at Utica, Newport, and Commerce/Union Lake.

The former radar station is the location of a United States Marine Corps Reserve unit and the Selfridge Military Air Museum & Air Park. The Missile Master bunker was subsequently used as a air traffic control centre[4] manned by the 2031st Communications Squadron.[5][6] Documents regarding the bunker, demolished in 2005, have been entered in the Historic American Engineering Record.[3][5]

References[edit]

  1. ^ "Information for Selfridge AFB, MI". Air Defense Radar Stations. Radomes.org. Retrieved 2011-10-03. 
  2. ^ McMaster, B. N., et al (December 1984). Historical Overview of the Nike Missile System (PDF) (Report). Environmental Science and Engineering, Inc. Retrieved 2011-09-16. 
    NOTE: The sequence of July 1 maps in this report display successive marks for the Selfridge AADCP annually moving southward to the Michigan-Ohio border near Toledo.
  3. ^ a b Bateman, Tom. "Site D-15DC - Selfridge AFB/ANGB". Detroit - Cleveland Defense Area. NikeHercules.Tripod.com. Retrieved 2011-09-16. 
  4. ^ [http://www.saffm.hq.af.mil/shared/media/document/AFD-090416-118.pdf RAPCON center
  5. ^ a b Selfridge Field, Building No. 1050… (Report). Library of Congress: Historic American Buildings Survey/Historic American Engineering Record. Retrieved 2011-09-27. 
  6. ^ 2031st and [1]