Which branch of the U.S. military maintains a highly classified remote detachment of a base in the state of Nevada?
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).
Cheyenne Mountain Complex The Cheyenne Mountain Complex is a military installation and nuclear bunker located in Colorado Springs, Colorado at the Cheyenne Mountain Air Force Station, which hosts the activities of several tenant units. Also located in Colorado Springs is Peterson Air Force Base, where the North American Aerospace Defense Command (NORAD) and United States Northern Command (USNORTHCOM) headquarters are located.