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: Site 4 Area 51: Site 4 Area 51: Site 4 is a light gun arcade game developed by Atari Games in 1998. It is a sequel to the original "Area 51", picking up where that game left off. Though the graphics have been improved, they rely on the same FMV streaming technology as the original, and the gameplay remains largely the same as the original game. The game is broken down into two big menus: field exercise and adventure. Field Exercise is the main mode of the game. The training levels are based on brief missions where the player must complete all