Naval Air Station Fort Worth Joint Reserve Base (or NAS Fort Worth JRB) (IATA: FWH, ICAO: KNFW, FAA LID: NFW) includes Carswell Field, a military airbase located 5 nautical miles (9 km; 6 mi) west of the central business district of Fort Worth, in Tarrant County, Texas, United States. This military airfield is operated by the United States Navy Reserve. It is located in the cities of Fort Worth, Westworth Village, and White Settlement in the western part of the Fort Worth urban area.[2][3]