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 Finningley operate Vulcan bombers. A year later No. 18 Squadron RAF with ECM Vickers Valiants was also established at Finningley. In 1961, No. 101 Squadron RAF took its Vulcans to RAF Waddington changing places with the Vulcan training organisation, No. 230 Operational Conversion Unit RAF. It was two years from 101 Sqn leaving that in 1961, the Valiant having seen its day, No. 18 Squadron was disbanded. The Vulcan OCU stayed with RAF Finningley from June 1961 until December 1969. In 1970 there was an arson attack on Number 2 Hangar by a serving RAF member. After the hangar was locked