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 at Ernest Harmon Air Force Base, Newfound
Red Cliff Air Station was a General Surveillance Radar station. The remains of which are located 5.8 miles north-northeast of St. John's, Newfoundland and Labrador, Canada. It was closed in 1961.
4731st Air Defense Group
…640th Aircraft Control and Warning Squadron, 1 April 1957 – 6 June 1960, Stephenville Air Station 642d Aircraft Control and Warning Squadron, 1 April 1957 – 6 June 1960, Red Cliff Air Station Stations…