Yucca Airstrip is a private-use airport located 17 miles (27 km) north of the central business district of Mercury, in Nye County, Nevada, United States. The airport is located on the Nevada Test Site and is owned by the United States Department of Energy. On the sectional chart it is depicted as an unverified airstrip.
Government - National - USA, Air Ports
Links: en.wikipedia.org
By: jbottero
http://www.flightglobal.com/news/articles/satellite-images-reveal-secret-nevada-uav-site-365721/
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Yucca Airstrip Airport covers an area of 41 acres (17 ha) and has two runways, one located on the salt flat and a shorter, more recently constructed asphalt runway just east of the salt flat
Runway 01/19: 4,990 x 75 ft (1,521 x 23 m), surface: Asphalt
Runway 14/32: 9,000 x 200 ft (2,743 x 61 m), surface: Salt
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So actually it is mentioned. Yes, there is a great deal of speculation as to the "real" use of this strip, but certainly it's described in the Wiki link accurately.
I'd like to see this "stealth blimp". Covered with a skin of tin-foil?