The 637th Air Defense Group was a 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...

 organization. Its last assignment was with 25th Air Division, being stationed at Othello AFS, Washington. It was inactivated on 17 Jan 1974.

History

Replaced 637th Radar Squadron (SAGE) (formerly 637th Aircraft Warning & Control Squadron) at Othello AFS The upgrade to group status was done because of Othello AFS' status as a Backup Interceptor Control (BUIC) site. BUIC sites were alternate control sites in the event that Semi-Automatic Ground Environment (SAGE) Direction Centers became disabled and unable to control interceptor aircraft. Inactivated and replaced by 637th Radar Squadron (SAGE). as defenses against manned bombers were reduced.

Lineage

• Established as 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...
  
  on 13 February 1970

Activated on 1 Mar 1970

Inactivated on 17 Jan 1974

Disbanded on 27 September 1984

External links