4731st Air Defense Group
| 4731st Air Defense Group | |
|---|---|
| Active | 1957-1960 |
| Country | United States |
| Branch | United States Air Force |
| Type | Fighter interceptor and warning and control |
| Role | Air defense |
| Part of | Air Defense Command |
The 4731st Air Defense Group is a discontinued United States Air Force organization. Its last assignment was with the 64th Air Division of Air Defense Command (ADC) at Ernest Harmon Air Force Base, Newfoundland, Canada, where it was inactivated in 1960. The group was formed in 1957 when ADC assumed responsibility for air defense of Newfoundland from Northeast Air Command and controlled a fighter-interceptor squadron at Harmon and two squadron operating radars at dispersed locations. It was discontinued when Goose Air Defense Sector assumed responsibility for air defense of Newfoundland.