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 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 that Josef Mengele was recruited by the Soviet leader Joseph Stalin to produce "grotesque, child-size aviators" to be remotely piloted and landed in America to cause hysteria in the likeness of Orson Welles' 1938