On 1 April 1943 William was promoted to Flight Lieutenant as per the London Gazette, dated 21 September 1943.
London Gazette
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| William James Crawford (140652) | |||||||||
| William James Crawford served with the Meteorological Branch of the Royal Air Force. On 1 April 1943 William was promoted to Flight Lieutenant as per the London Gazette, dated 21 September 1943. |
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| Sources London Gazette |
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