JSSO Digby is a former Royal Air Force station which, since March 2005, has been operated by the Ministry of Defence's Joint Service Signals Organisation, part of the Intelligence Collection Group. Formerly an RAF training and fighter airfield, it is currently a tri-service military signals installation located near Scopwick, Lincolnshire, England. It is located 11.6 mi (18.7 km) south east of Lincoln and 132 mi (212 km) north of London. It houses the headquarters of the Joint Service Signals Organisation, and is the site of the country's oldest Royal Air Force station.