"Home of the Aircraft and Armament Experimental Establishment, the RAF presence at Boscombe Down also includes the Empire Test Pilots School and the Southampton University Air Squadron. Boscombe Down also has the longest runway in the UK, at 3,212 metres, with rotary hydraulic arrestor gear and barriers at each end."
Military - Air Ports, Military - Historic
Links: en.wikipedia.org
By: Parabellum
http://www.secret-bases.co.uk/secret5.htm#boscombe-down