No. 4 Combat Crew Replacement Center was opened during November 1943 which trained Boeing B-17 Flying Fortress crews with additional Consolidated B-24 Liberators being added during February 1944.
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 |