Area 51 providers (including Russian providers and the IKONOS) are commercially available. These show the runway markings, base facilities, aircraft, and vehicles. When documents that mention the Nevada Test Site (NTS) and operations at Groom are declassified, mentions of Area 51 and Groom Lake are routinely redacted. One exception is a 1967 memo from CIA director Richard Helms regarding the deployment of three OXCART aircraft from Groom to Kadena Air Base to perform reconnaissance over North Vietnam. Although most mentions of OXCART's home base are redacted in this document, as is a map showing the aircraft's route from there to Okinawa, the
Area 51: An Uncensored History of America's Top Secret Military Base and its "error-ridden" prose. The book was sharply criticized for extensive errors in an essay by a senior fellow at the Federation of American Scientists and a senior fellow at the National Security Archive. Area 51: An Uncensored History of America's Top Secret Military Base Area 51: An Uncensored History of America's Top Secret Military Base is a book by American journalist Annie Jacobsen about the secret United States military base Area 51. The book, based on interviews with scientists and engineers who worked in Area 51, addresses the Roswell UFO incident and dismisses the alien story. Instead, it suggests