No. 1668 Heavy Conversion Unit with Lancasters arrived and later some specialist flights were also based at the station with a variety of aircraft types.

On August 30 a Book of Remembrance was dedicated to 214, 218, 301, 304, 620 Squadrons and to 1653 Heavy Conversion Unit.

Lambert had been one of Gallacher's instructors at his Conversion Unit.

In 1983 he returned to No. 233 Operational Conversion Unit, attending a weapons instructors' course before returning to No.

During 1944 the airfield was used by Handley Page Halifaxes of 1652 and 1663 Heavy Conversion Unit.

They had been shunted through their Operational Conversion Unit very briskly indeed.

On 10 October 1946, 1335 Conversion Unit moved from RAF Molesworth.

Filo 173 at the same base was the Operational Conversion Unit.

Its role was changed in May 1990 to that of an Operational Conversion Unit.

Ken Delve charts the long history of 231 Operational Conversion Unit - Canberra tutors since 1951.