• Constituted as the 777th Aircraft Control and Warning Squadron

Activated on 18 December 1950

Redesignated as 777th Radar Squadron (SAGE) on 15 July 1960

Redesignated as 777th Radar Squadron on 1 February 1974

Inactivated on 30 September 1980

Activated on 1 October 1988

Inactivated on 15 September 1991^[1]

• 542d Aircraft Control and Warning Group, 18 December 1950
• 28th Air Division, 6 February 1952
• 25th Air Division, 1 March 1959
• Portland Air Defense Sector, 1 March 1960
• 26th Air Division, 1 April 1966
• 25th Air Division, 15 September 1969 - 30 September 1980
• Northwest Air Defense Sector 1 October 1988 - 15 September 1991

• Klamath AFS, California, 18 December 1950 - 30 September 1981
• Mountain Home AFB, Idaho, 1 October 1988 - 15 September 1991 (HQ Site)

Christmas Valley AFS, Oregon (OTH-B Transmitter site)

Tule Lake AFS, California (OTH-B Receiver site)

• Over-the-horizon radar
• List of United States Air Force aircraft control and warning squadrons

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

• Cornett, Lloyd H. and Johnson, Mildred W., A Handbook of Aerospace Defense Organization 1946 - 1980, [1] Archived 23 November 2006 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, [2]^{[dead link]} US Army Construction Engineering Research Laboratories, Champaign, IL (1997).
• Mountain Home AFB^{[permanent dead link]}