RAF Kirkistown

Royal Air Force Kirkistown or more simply RAF Kirkistown is a former Royal Air Force satellite airfield located of Ballyhalbert, County Down, Northern Ireland and 
It was a satellite to the RAF Fighter Command airfield at Ballyhalbert on the Ards Peninsula.
History.
RAF Ballyhalbert opened officially on 28 June 1941 and the Kirkistown satellite airfield opened in July 1941. 
On 22 January 1942, No. 504 Squadron RAF moved to Kirkistown. In 1945, Ballyhalbert Airfield was designated a Royal Naval Air Station as "H.M.S. Corncrake", and Kirkistown Airfield was known as "H.M.S. Corncrake II".
The following units were here at some point:
Current use.
Today the site is home to Kirkistown Circuit, a regular venue for car and motorcycle races. The circuit utilises the northern parts of the former air base's runways and perimeter roadways.