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).
Joint Base Anacostia–Bolling Joint Base Anacostia–Bolling is a 905-acre (366 ha) military installation, located in Southwest, Washington, D.C., established on 1 October 2010 in accordance with congressional legislation implementing the recommendations of the 2005 Base Realignment and Closure Commission. The legislation ordered the consolidation of Naval Support Facility Anacostia (NSF) and Bolling Air Force Base (BAFB), which were adjoining, but separate military installations, into a single joint base, one of twelve formed in the country as a result of the law. The only aeronautical facility at the base is a 100-by-100-foot (30 by 30 m) helipad (ICAO: KBOF).