The Pacific Missile Range Facility, Barking Sands is a U.S. naval facility and airport located five nautical miles (9 km) northwest of the central business district of Kekaha, in Kauai County, Hawaii, United States. PMRF is the world's largest instrumented, multi-dimensional testing and training missile range. The US military and its contractors favor its relative isolation, ideal year-round tropical climate and encroachment-free environment (see "PMRF Agriculture Preservation Initiative" below). It is the only range in the world where submarines, surface ships, aircraft and space vehicles can operate and be tracked simultaneously. There are over of instrumented underwater range and over of controlled airspace. The base itself covers roughly . The base includes a runway with operations and maintenance facilities. It has roughly 70 housing units and various recreational facilities for those who can access the base. The base has support facilities at Port Allen, Makaha Ridge, and Koke'e State Park. The base also uses a portion of the nearby island of Niihau for a remotely operated APS-134 surveillance radar, an Test Vehicle Recovery Site, the Perch Electronic Warfare site, multiple EW Portable Simulator sites, and a Helicopter Terrain Flight training course. History In 1921, the land area known as the Barking Sands was acquired by the Kekaha Sugar Company and became a runway for private planes. In 1928 Charles Kingsford Smith, a record-setting Australian aviator, took off with his four-man crew from a sandy runway here to fly non-stop to Fiji. They had arrived in Hawaii at Wheeler Army Airfield, but left from Barking Sands as Wheeler was not long enough to take off with their heavy load. The U.S. Army acquired the land in 1940, named it Mana Airport, and paved the runway. Additional land acquired in 1941 expanded the facility to . Private airlines frequently utilized the airport, and World War II incurred a great deal of military flight operations. The base was officially designated Bonham Air Force Base in 1954. U.S. Navy operations at Bonham began in 1956, with testing of the Regulus I missile. In 1958, the Pacific Missile Range Facility was established to support the growing demand of the Navy at Bonham. In 1964, the Pacific Missile Range Facility and Bonham was transferred to the Navy, becoming Pacific Missile Range Facility, Barking Sands. Missile tests In 1962, the U.S. military conducted the Frigate Bird Test of the Operation Dominic program near PMRF. The military launched