 It was expanded to become the 4th Liaison Squadron on 15 July 1952, but was inactivated a week later.However, it was activated the same day at Donaldson Air Force Base, South Carolina, where it was equipped with de Havilland Canada L-20 Beavers.At the beginning of 1953, the squadron moved overseas to Fürstenfeldbruck Air Base, Germany, where it operated the Beavers until inactivating on 8 March 1954.