Low Level Bombsight, Mark III use in October 1942. Coastal Command had priority on deliveries and only small numbers reached Bomber Command. The first examples arrived in May 1943 and were fit to Douglas Boston bombers of 2 Group. In 1944 the sight was trialled on the Avro Lancasters of No. 617 Squadron RAF, the Dambusters, who carried out a single low-level attack with them in late 1944. Most examples sent to Bomber Command equipped a small number of De Havilland Mosquito aircraft in No. 627 Squadron RAF (who normally operated as pathfinders) and No. 8 Group RAF (Pathfinder Force). The sight remained with Coastal
RAF Digby end of October a Bristol Blenheim fighter and escort Squadron arrived, No. 29 Squadron RAF. With the squadron came the soon-to-be-famous officer Guy Gibson, who would be awarded a Victoria Cross as the commander of the Dambusters. It was Gibson's second tour at Digby as he had learned to fly at the station while attending No. 2 FTS in 1936. Gibson was still based at Digby in 1940 when he was married in Penarth, South Wales; he flew his Blenheim from RAF Wellingore satellite field to RAF Pengam Moors in Cardiff docks for the wedding, returning three days later with