Watertown Air Force Station is a closed United States Air Force ADCOM General Surveillance Radar station 3.5 miles (5.6 km) south of Watertown, New York. Prior to the Air Defense squadron inactivating on 1 November 1979, the station was reassigned to Tactical Air Command which maintained the until early 1984 (now a firefighter training site). A New York State jail opened at the site c. 1983. It was a part of the 21st RCC (NORAD Regional Control Center) a SAGE network, located at Stewart AFB.