On 3 October 1950 the 1st Fighter-Interceptor Group of Air Defense Command (ADC) became the first permanently assigned USAF flying unit at Griffiss. Although the group moved to California in 1951, its 27th Fighter-Interceptor Squadron (FIS) remained behind. ADC units were stationed there for the next 30 years as Griffiss became a center for the Northeast air defense mission, and was headquarters of the Northeast Air Defense Sector. The 27th FIS flew Lockheed F-80 Shooting Stars, North American F-86 Sabres, Northrop F-89 Scorpion, Lockheed F-94 Starfires and Convair F-102 Delta Daggers before leaving Griffiss in 1959.