Dunsfold Aerodrome is an unlicensed airfield in Surrey, England, near the village of Cranleigh. It extends across land in the villages of Dunsfold and Alfold.It was built by the Canadian Army and civilian contractors as a Class A bomber airfield for Army Co-operation Command. It was commanded by the Royal Canadian Air Force from 1942–1944 and was known as Royal Canadian Air Force Station Dunsfold. Under RAF control it was RAF Dunsfold.Post war it was used by Hawker Siddeley and then its successor British Aerospace.This was the site of the BBC show Top Gear; the runway is now a racetrack or a "test track".