RAF Bomber Command | The Sabre Squadron | RAF Sculthorpe | RAF Northolt | RAF Coastal Command | No. 33 Squadron RAF | No. 263 Squadron RAF | RAF Ringway | RAF Lakenheath | RAF Brize Norton | squadron | RAF Leuchars | Pacific Squadron | 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 |
Bigalk died on 17 July 1942 when U-751 was sunk with all hands by depth charges dropped by a Whitley bomber from No. 502 Squadron RAF and a Lancaster bomber from No. 61 Squadron RAF in the North Atlantic north-west of Cape Ortegal, Spain.