Pacific Missile Range Facility
The Pacific Missile Range Facility, Barking Sands (IATA: BKH, ICAO: PHBK, FAA LID: BKH) is a U.S. naval facility and airport located five nautical miles (9 km) northwest of the central business district of Kekaha, in Kauaʻi County, Hawaii, United States. PMRF is the world's largest instrumented, multi-dimensional testing and training missile range.
Source: Wikipedia — Pacific Missile Range Facility (CC BY-SA 4.0)