790th Aircraft Control And Warning Squadron
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Kirksville Air Force Station (ADC ID: P-64, NORAD ID: Z-64) is a closed
United States Air Force The United States Air Force (USAF) is the Air force, air service branch of the United States Department of Defense. It is one of the six United States Armed Forces and one of the eight uniformed services of the United States. Tracing its ori ...
General Surveillance Radar station. It is located north of
Kirksville, Missouri Kirksville is the county seat of and most populous city in Adair County, Missouri, United States. Located in Benton Township, Adair County, Missouri, Benton Township, its population was 17,530 at the 2020 United States census, 2020 census. Kirk ...
. It was closed by the Air Force in 1968. Today the radar site is used by the
Federal Aviation Administration The Federal Aviation Administration (FAA) is a Federal government of the United States, U.S. federal government agency within the United States Department of Transportation, U.S. Department of Transportation that regulates civil aviation in t ...
(FAA) as a
Joint Surveillance System The Joint Surveillance System (JSS) is a joint United States Air Force and Federal Aviation Administration system for the atmospheric air defense of North America. It replaced the Semi Automatic Ground Environment (SAGE) system in 1983. Overvie ...
(JSS) site.


History

Kirksville Air Force Station was one of twenty-eight stations built as part of the second segment of the
Air Defense Command Aerospace Defense Command was a major command (military formation), command of the United States Air Force, responsible for air defense of the continental United States. It was activated in 1968 and disbanded in 1980. Its predecessor, Air De ...
permanent radar network. Prompted by the start of the
Korean War The Korean War (25 June 1950 – 27 July 1953) was an armed conflict on the Korean Peninsula fought between North Korea (Democratic People's Republic of Korea; DPRK) and South Korea (Republic of Korea; ROK) and their allies. North Korea was s ...
, on 11 July 1950, the Secretary of the Air Force asked the Secretary of Defense for approval to expedite construction of the permanent network. Receiving the Defense Secretary's approval on 21 July, the Air Force directed the Corps of Engineers to proceed with construction. Activated at Sublette, MO on 1 May 1951 the 790th Aircraft Control and Warning Squadron began operations with a pair of AN/FPS-10 radars at this site in April, 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. The station was renamed Kirksville Air Force Station (AFS) on 1 December 1953. One AN/FPS-10 height-finder radar was phased out in 1958 with the arrival of two
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 S ...
A sets. The other AN/FPS-10 stayed in operation until 1963 and then was replaced with an
AN/FPS-7 The AN/FPS-7 Radar was a Long Range Search Radar used by the United States Air Force Air Defense Command. In the mid-1950s General Electric developed a radar with a search altitude of 100,000 feet and a range of 270 miles. This radar was signific ...
. During 1959 Kirksville AFS joined the
Semi Automatic Ground Environment The Semi-Automatic Ground Environment (SAGE) was a system of mainframe computer, large computers and associated computer network, networking equipment that coordinated data from many radar sites and processed it to produce a single unified image ...
(SAGE) system, initially feeding data to DC-07 at Truax Field, Wisconsin. After joining, the squadron was redesignated as the 790th Radar Squadron (SAGE) on 1 November 1959. 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. On 31 July 1963, the site was redesignated as NORAD ID Z-64. In addition to the main facility, Kirksville operated an
AN/FPS-18 The AN/FPS-18 was a medium-range search radar used by the United States Air Force Air Defense Command. This medium-range search radar was designed and built by Bendix as a SAGE system gap-filler radar to provide low-altitude coverage. Operating in ...
Gap Filler site: * Washington, IA (P-64A) Kirksville began SAGE operations in 1959. The Air Force inactivated the 790th on 8 September 1968, closing the station on 30 September. After the Air Force inactivated, it was taken over by the
Federal Aviation Administration The Federal Aviation Administration (FAA) is a Federal government of the United States, U.S. federal government agency within the United States Department of Transportation, U.S. Department of Transportation that regulates civil aviation in t ...
as a Long Range Radar site and was equipped with
ARSR-1 The Air Route Surveillance Radar is a long-range radar system. It is used by the United States Air Force and the Federal Aviation Administration to control airspace within and around the borders of the United States. The ARSR-4 is the FAA's mos ...
Radar. Now with an
ARSR-3 The Air Route Surveillance Radar is a long-range radar system. It is used by the United States Air Force and the Federal Aviation Administration to control airspace within and around the borders of the United States. The ARSR-4 is the FAA's mos ...
radar, the site is now data-tied into the
Joint Surveillance System The Joint Surveillance System (JSS) is a joint United States Air Force and Federal Aviation Administration system for the atmospheric air defense of North America. It replaced the Semi Automatic Ground Environment (SAGE) system in 1983. Overvie ...
(JSS). The USAF facilities are now largely obliterated, a few old buildings overgrown with vegetation remain.


Air Force units and assignments


Units

* Constituted as the 790th Aircraft Control and Warning Squadron : Activated on 1 May 1951 : Redesignated as 790th Radar Squadron (SAGE) on 1 November 1959 : Discontinued and inactivated on 8 September 1968


Assignments

*
543d Aircraft Control and Warning Group The 543d Aircraft Control and Warning Group is a disbanded United States Air Force unit. It was last assigned to the 31st Air Division, Air Defense Command, stationed at Fort Snelling, Minnesota. It was inactivated on 10 February 1952. History T ...
, 1 May 1951 *
33d Air Division The 33rd Air Division (33d AD) is an inactive United States Air Force organization. Its last assignment was with Air Defense Command, assigned to First Air Force, being stationed at Fort Lee Air Force Station, Virginia. It was inactivated on ...
, 6 February 1952 *
20th Air Division The 20th Air Division is an inactive United States Air Force organization. Its last assignment was with Tactical Air Command at Tyndall Air Force Base, Florida where it was inactivated on 1 March 1983. During most of the division's history it ...
, 1 March 1956 *
37th Air Division The 37th Air Division (37th AD) is an inactive United States Air Force organization. Its last assignment was with Air Defense Command at Goose Air Force Base, Labrador, Canada It was inactivated on 30 June 1970. History Strategic Air Command Es ...
, 15 October 1958 *
30th Air Division The 30th Air Division (30th AD) is an inactive United States Air Force organization. Its last assignment was with Air Defense Command, assigned to Tenth Air Force, being stationed at Sioux City Air National Guard Base, Sioux City Municipal Air ...
, 1 April 1959 *
Chicago Air Defense Sector The Chicago Air Defense Sector (CADS) is an inactive United States Air Force organization. Its last assignment was with the Air Defense Command (ADC) 30th Air Division at Truax Field Wisconsin. It was inactivated on 1 April 1966. History CAD ...
, 1 June 1959 * 20th Air Division, 1 April 1966 * 30th Air Division, 1 December 1957 – 8 September 1968


See also

*
United States 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 beginni ...
*
List of United States Air Force aircraft control and warning squadrons This Article is a list of United States Air Force aircraft control and warning squadrons active, inactive, and historical. The purpose of an ''aircraft control and warning squadron'' is to provide an airborne radar picket to detect vessels, planes ...


References

* *
Information for Kirksville AFS, MO
{{Aerospace Defense Command, state=collapsed Installations of the United States Air Force in Missouri Semi-Automatic Ground Environment sites Aerospace Defense Command military installations Buildings and structures in Adair County, Missouri 1951 establishments in Missouri 1968 disestablishments in Missouri Military installations established in 1951 Military installations closed in 1968