| Unit Name: | 777th Radar Squadron |
| Dates: | 1951-1981;1988-1991 |
| Country: | United States |
| Type: | General Radar Surveillance |
The 777th Radar Squadron is an inactive United States Air Force unit. It was last assigned to the Northwest Air Defense Sector, Tactical Air Command, stationed at Mountain Home Air Force Base, Idaho. It was inactivated on 15 September 1991.
From 1951-1981, the unit was a General Surveillance Radar squadron providing for the air defense of North America. From 1988 to 1991 it operated Over The Horizion Backscatter (OTH-B) radar for Tactical Air Command.
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]
Christmas Valley AFS, Oregon (OTH-B Transmitter site)
Tule Lake AFS, California (OTH-B Receiver site)