The Twin Mustangs of the 52d FW were replaced by the ADC 4709th Defense Wing on 1 February 1952. Under the Eastern Air Defense Force, the 4709th DW (later Air Defense Wing), controlled interceptor squadrons at McGuire, as well as at Suffolk County AFB and Stewart AFB, New York, and Dover AFB, Delaware. Interceptor squadrons stationed at McGuire were the 2d Fighter-Interceptor Squadron and 5th Fighter-Interceptor Squadron. These were replaced in 1955 by the 332d Fighter-Interceptor Squadron and 539th Fighter-Interceptor Squadron.