Area 51 the base extends further east. After leaving the restricted area, Groom Lake Road descends eastward to the floor of the Tikaboo Valley, passing the dirt-road entrances to several small ranches, before converging with State Route 375, the "Extraterrestrial Highway", south of Rachel. Area 51 shares a border with the Yucca Flat region of the Nevada Test Site, the location of 739 of the 928 nuclear tests conducted by the United States Department of Energy at NTS. The Yucca Mountain nuclear waste repository is southwest of Groom Lake. Groom Lake is a salt flat in Nevada used for runways of the
Area 51 redactor appears to have missed one mention: page 15 (page 17 in the PDF), section No. 2 ends "Three OXCART aircraft and the necessary task force personnel will be deployed from Area 51 to Kadena." On 25 June 2013, CIA released an official history of the U-2 and OXCART projects that officially acknowledged the existence of Area 51. The release was in response to a Freedom of Information Act request submitted in 2005 by Jeffrey T. Richelson of George Washington University's National Security Archive, and contain numerous references to Area 51 and Groom Lake, along with a map of the