"1994"^^ . . . "2006"^^ . ": Cheyenne Mountain Directorate"@en . "Space Defense Center"@en . "\u2022( main chambers for the centers with 3 tunnels 45 feet wide, 60.5 feet high, and 588 feet long intersected by 4 cross tunnels 32 feet wide, 56 feet high and 335 feet long.)"@en . . "\u2022 a support area including reservoirs , and"@en . . . . "Cheyenne Mountain nuclear bunker"@en . . . . ""@en . . . . "1966"^^ . "1966"^^ . "28"^^ . . "Beyond the parking area excavation through the bunker's North tunnel entrance , the bunker's Access Tunnel extends to the South opening at the end of an access road . The bunker has an Exhaust outlet , and NORAD Road has a CO 115 interchange on the west side of Fort Carson. The foreground is now a southern subdivision of Colorado Springs, Colorado."@en . . . "1970.0"^^ . . . "colloq. ''Cheyenne Mountain, NORAD cave, NORAD, etc."@en . "--05-18"^^ . "1961"^^ . . . "National Operational Intelligence Watch Officer's Network"@en . . . . "1981"^^ . "\u2022 side tunnels to the main chambers and the support area,"@en . . "The Cheyenne Mountain nuclear bunker is a Cold War hardened installation with NORAD centers and associated computer systems in warm standby such as the Alternate Command Center for the nearby Peterson AFB NORAD-NORTHCOM Command Center. Built after more than 11 previous US command bunkers (e.g., 1953 Raven Rock & 1960 Ft MacArthur DC), Cheyenne Mountain was designed for a 30 megaton nuclear explosion within . The bunker is tunneled within part of a spur of the Cheyenne Mountain massif at the Rocky Mountains' eastern \"Front Range\". The bunker's standby centers are controlled by a NORAD division, and support services are provided by Air Force Space Command's 721st Mission Support Group."@en . "Located at \u00ADCheyenne Mountain AFS, El Paso County, Colorado"@en . . . . "Integrated Tactical Warning/Attack Assessment Program"@en . . "882.0"^^ . . "\u2022 Access Tunnel with North and South openings at the massif's east slope,"@en . . "The Cheyenne Mountain nuclear bunker is a Cold War hardened installation with NORAD centers and associated computer systems in warm standby such as the Alternate Command Center for the nearby Peterson AFB NORAD-NORTHCOM Command Center. Built after more than 11 previous US command bunkers (e.g., 1953 Raven Rock & 1960 Ft MacArthur DC), Cheyenne Mountain was designed for a 30 megaton nuclear explosion within . The bunker is tunneled within part of a spur of the Cheyenne Mountain massif at the Rocky Mountains' eastern \"Front Range\". The bunker's standby centers are controlled by a NORAD division, and support services are provided by Air Force Space Command's 721st Mission Support Group."@en .