Lockheed's Helendale Radar Cross Section (RCS) Range has an active runway, so it kinda counts. <laughing> I've never been able to find an FAA ident for the airport there though.
The panorama is of the RCS facilities, those hangars don't house the planes that fly in, there's no taxiway to them.
http://en.wikipedia.org/wiki/Radar_cross_section
Hmmm like area 51... <laughing>
Government 8)
scary... ::)
You don't need runways to land flying saucers.... 8)