In December 1942, R.A.F. 100 Squadron reformed at R.A.F. Grimsby, Lincolnshire, England as a night-time heavy bomber squadron flying Avro Lancasters from 1943.
Royal Air Force
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Sergeant Edward Colhoun McLaughlin of Ballyronan, Co. Londonderry served with R.A.F. 100 Squadron when his crew failed to return from a night raid over Berlin.
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Leading Aircraftman Ritson Finlay Petts of Comber, Co. Down served in R.A.F. 100 Squadron. His Vickers Vildebeest Mk.II plane came down on 27th September 1939.