No. 640 Squadron RAF
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No. 640 Squadron RAF was a bomber squadron of the Royal Air Force during the Second World War.
It was first formed at Leconfield, Yorkshire in January 1944, from C Flight of No. 158 Squadron RAF.
It was equipped with Halifax III bombers, and operated as part of No. 4 Group RAF in Bomber Command. It re-equipped with Halifax VI bombers in March 1945, and was disbanded at Leconfield in May.