Groom Lake is the official name for a USAF installation that is a detachment of what base?
Area 51 The United States Air Force facility commonly known as Area 51 is a highly classified remote detachment of Edwards Air Force Base, within the Nevada Test and Training Range. According to the Central Intelligence Agency (CIA), the correct names for the facility are Homey Airport (ICAO: KXTA) and Groom Lake, though the name "Area 51" was used in a CIA document from the Vietnam War. The facility has also been referred to as "Dreamland" and "Paradise Ranch", among other nicknames. The special use airspace around the field is referred to as Restricted Area 4808 North (R-4808N).
Peterson Air Force Base Peterson Air Force Base is a U.S. Air Force Base that shares an airfield with the adjacent Colorado Springs Municipal Airport, also having the North American Aerospace Defense Command (NORAD) and United States Northern Command (USNORTHCOM) headquarters. Developed as a World War II air support base for Camp Carson, the facility conducted Army Air Forces training and supported Cold War air defense centers at the nearby Ent Air Force Base, Chidlaw Building, and Cheyenne Mountain Complex. The base has been the location of the Air Force Space Command headquarters since 1987 and has had NORAD/NORTHCOM command center operations since the 2006 Cheyenne Mountain Realignment placed the nearby Cheyenne Mountain Complex centers on standby.