Operation Washtub (United States)
Operation Washtub, also known as STAGE (Stay Behind Agent Program), was a top secret joint operation between the United States Air Force's Office of Special Investigations and the Federal Bureau of Investigation. Officially, its purpose was to build an intelligence network in the event that the Soviet Union invaded and occupied Alaska.
Source: Wikipedia — Operation Washtub (United States) (CC BY-SA 4.0)