The 637th Radar Squadron is an inactive United States Air Force

United States Air Force

The United States Air Force is the aerial warfare service branch of the United States Armed Forces and one of the American uniformed services. Initially part of the United States Army, the USAF was formed as a separate branch of the military on September 18, 1947 under the National Security Act of...

 unit. It was last assigned to the 25th Air Division, Aerospace Defense Command

Aerospace Defense Command

Aerospace Defense Command is an inactive United States Air Force Major Command. Established in 1946 under the United States Army Air Forces, its mission was to organize and administer the integrated air defense system of the Continental United States , exercise direct control of all active...

, stationed at Othello Air Force Station

Othello Air Force Station

Othello Air Force Station is a closed United States Air Force General Surveillance Radar station. It is located south of Othello, Washington. It was closed in 1975.-History:...

, Washington. Because it was at a Backup Interceptor Control (BUIC)site, it was inactivated in 1970 and replaced by the like numbered 637th Air Defense Group

637th Air Defense Group

The 637th Air Defense Group was a United States Air Force organization. Its last assignment was with 25th Air Division, being stationed at Othello AFS, Washington...

 (ADG). As defense systems against manned bomber threats were reduced, it was activated once again in 1974 to replace the 637th ADG. It was last inactivated on 31 March 1975.

The unit was a General Surveillance Radar squadron providing for the air defense of the United States.

Lineage

• Established as 637th Aircraft Control and Warning Squadron, 1947

Activated on 21 May 1947

Redesignated 637th Radar Squadron (SAGE), 1 September 1960

Inactivated, 1 March 1970

Reactivated, 1 January 1974

Inactivated on 31 March 1975

Assignments

• 505th Aircraft Control and Warning Group, 21 May 1947
• 162d Aircraft Control and Warning Group
  162d Combat Communications Group
  The 162nd Combat Communications Group , headquartered at North Highlands Air National Guard Station in Sacramento, California, USA, is one of eight Air National Guard Combat Communications Groups nationwide, which make up 80% of the U.S. Air Force tactical communications capability...
  
   (Federalized AZ ANG), 25 May 1951
• 25th Air Division, 6 February 1952
• 4702d Defense Wing, 1 January 1953
• 9th Air Division
  9th Air Division
  Several air forces and space forces have included a 9th Air Division:*9th Air Division, of the Luftwaffe*9th Anti-Missile Defence Division of the Russian Space Forces*9th Assault Ropshinskaya red banner, Order of Ushakov Air Division of Soviet Naval Aviation...
  
  , 8 October 1954
• 25th Air Division, 15 August 1958
• 4700th Air Defense Wing
  4700th Air Defense Wing
  The 4700th Air Defense Wing is a discontinued United States Air Force organization. Its last assignment was with the Spokane Air Defense Sector, being stationed at Geiger Field, Washington. It was discontinued on 30 June 1960-History:...
  
  , 1 September 1958
• Spokane Air Defense Sector
  Spokane Air Defense Sector
  The Spokane Air Defense Sector is an inactive United States Air Force organization. Its last assignment was with the Air Defense Command 25th Air Division, being stationed at Larson Air Force Base, Washington.-History:...
  
  , 15 March 1960
• Seattle Air Defense Sector, 1 September 1963
• 25th Air Division, 1 April 1966 - 1 March 1970
• 25th Air Division, 1 January 1974 - 31 March 1975

Stations

• Moses Lake AFB, Washington, 1 July 1950
• McChord AFB, Washington, 16 April 1948
• Moses Lake AFB (later Larson AFB), 1 May 1949
• Saddle Mountain AFS, Washington, 1 January 1951

Site re-designated Othello Air Force Station

Othello Air Force Station

Othello Air Force Station is a closed United States Air Force General Surveillance Radar station. It is located south of Othello, Washington. It was closed in 1975.-History:...

, 1 December 1953-31 March 1975