History
“RAF Spadeadam is a Royal Air Force station in Cumbria, England, close to the border with Northumberland. It is the home of the 9,000 acre (36 km2) Electronic Warfare Tactics Range, making it the largest (by area) RAF base in the United Kingdom. Its primary use is for Electronic Warfare (EW) training to the Royal Air Force and NATO allies. The site and course of Hadrian’s Wall runs a few miles south of the range.”