No. 230 Operational Conversion Unit (OCU) was first created on 15 Mar 1947 at RAF Lindholme

RAF Lindholme

RAF Lindholme is a former Royal Air Force base near Doncaster, South Yorkshire, England and was initially called RAF Hatfield Woodhouse.-Early years:...

, by re-designation of No.1653 Heavy Conversion Unit, to convert crews onto the Avro Lancaster

Avro Lancaster

The Avro Lancaster is a British four-engined Second World War heavy bomber made initially by Avro for the Royal Air Force . It first saw active service in 1942, and together with the Handley Page Halifax it was one of the main heavy bombers of the RAF, the RCAF, and squadrons from other...

, Avro Lincoln

Avro Lincoln

The Avro Type 694, better known as the Avro Lincoln, was a British four-engined heavy bomber, which first flew on 9 June 1944. Developed from the Avro Lancaster, the first Lincoln variants were known initially as the Lancaster IV and V, but were renamed Lincoln I and II...

 and de Havilland Mosquito

De Havilland Mosquito

The de Havilland DH.98 Mosquito was a British multi-role combat aircraft that served during the Second World War and the postwar era. It was known affectionately as the "Mossie" to its crews and was also nicknamed "The Wooden Wonder"...

  bombers. This unit was disbanded on 15 October 1952 to become the Reserve Training Squadron. Re-formed again at RAF Upwood

RAF Upwood

RAF Upwood was a United States Air Force installation adjacent to the village of Upwood, Cambridgeshire in the United Kingdom.It is a non-flying station which was under the control of the United States Air Force, and one of three RAF stations in Cambridgeshire currently used by the United States...

, from the Lincoln Conversion Flight, 230 OCU trained Lincoln bomber crews until disbanded on 1 February 1955, reverting to {Lincoln Conversion Flight. Re-formed yet again at RAF Waddington

RAF Waddington

RAF Waddington is a Royal Air Force station in Lincolnshire, England.-Formation:Waddington opened as a Royal Flying Corps flying training station in 1916 until 1920, when the station went into care and maintenance....

, 230 OCU trained crews for the Avro Vulcan

Avro Vulcan

The Avro Vulcan, sometimes referred to as the Hawker Siddeley Vulcan, was a jet-powered delta wing strategic bomber, operated by the Royal Air Force from 1956 until 1984. Aircraft manufacturer A V Roe & Co designed the Vulcan in response to Specification B.35/46. Of the three V bombers produced,...

, moving to RAF Finningley

RAF Finningley

RAF Finningley is a former Royal Air Force station at Finningley, South Yorkshire, partly within the traditional county boundaries of Nottinghamshire and partly in the West Riding of Yorkshire, now wholly within the Metropolitan Borough of Doncaster....

 in 1961 and to RAF Scampton

RAF Scampton

Royal Air Force Station Scampton is a Royal Air Force station situated north of Lincoln in England, near the village of Scampton, on the site of an old First World War landing field.-First World War:...

in 1969, remaining there until it was disbanded in 1981.