The 4709th Air Defense Wing is a discontinued United States Air Force organization. Its last assignment was with the 26th Air Division of Air Defense Command (ADC) at McGuire Air Force Base, New Jersey, where it was discontinued in 1956. It was established in 1952 at McGuire as the 4709th Defense Wing in a general reorganization of Air Defense Command (ADC), which replaced wings responsible for a base with wings responsible for a geographical area. It assumed control of several fighter Interceptor squadrons that had been assigned to the 52d Fighter-Interceptor Wing, some of which were Air National Guard squadrons mobilized for the Korean War. It also assumed host responsibility for McGuire through its subordinate 568th Air Base Group.

The 26th Air Division is an inactive United States Air Force organization. Its last assignment was with Air Defense Tactical Air Command, assigned to First Air Force, being stationed at March Air Force Base, California. It was inactivated on 30 September 1990.