In February 1943 it was renamed RAF St. Mawgan and in June 1943, the United States Army Air Forces took over and carried out a number of major improvements, including a new control tower and a further extension of the main runway.
RAF Bomber Command | RAF Sculthorpe | RAF Northolt | RAF Coastal Command | No. 33 Squadron RAF | No. 263 Squadron RAF | RAF Ringway | RAF Lakenheath | RAF Brize Norton | RAF Leuchars | RAF Mount Pleasant | RAF Mildenhall | RAF Greenham Common | RAF Fighter Command | No. 45 Squadron RAF | No. 127 Squadron RAF | RAF Wyton | RAF Welford | RAF Valley | RAF Tangmere | RAF Search and Rescue Force | RAF Molesworth | RAF Lossiemouth | RAF Leeming | RAF Honington | RAF Coningsby | RAF Alconbury | No. 617 Squadron RAF | No. 43 Squadron RAF | No. 38 Squadron RAF |