Air Vice Marshal Frederick Crosby Halahan, CMG, CBE, DSO, MVO, DL (27 May 1880 – 17 October 1965) was a gunnery officer in the Royal Navy during the early years of the 20th century who became involved in early naval aviation efforts.
Halahan served in the Royal Navy, and was promoted lieutenant on 15 December 1900.
During the Second World War, Halahan rejoined the RAF, serving on the staff of the Directorate of Personal Services.
Halahan was portrayed by Walter Hudd in the 1956 film Reach for the Sky as the Cranwell commandant who gives a friendly reprimand to young Douglas Bader for his disregard for service discipline and flight rules.
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