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Jan 2, 2011

RAF Menwith Hill

RAF Menwith Hill is the Royal Air Force station near Harrogate, North Yorkshire that provides communications and intelligence support to the United Kingdom and the United States. This site contains an extensive ground satellite station and an intercept communications and missile warning sites and has been described as the largest electronic monitoring station in the world.

RAF Menwith Hill was ordered by the Royal Air Force Officer, supported by elements of the RAF, while the majority of support services provided by the United States Air Force, 421st Air Base Group.


This site acts as a ground station for a number of satellites operated by the U.S. National Reconnaissance Office, on behalf of the U.S. National Security Agency, with the antenna contained in a large number of white radomes very typical, and expected element of the ECHELON system.


Menwith Hill Station was opened on 545 acres (2.21 km2) of land controlled by the British War Office in 1954 and leased to the United States. U.S. Army Security Agency established the high frequency radio monitoring capabilities, monitoring communications from the Soviet Union, operating from 1958.


In 1966, the National Security Agency to take responsibility for U.S. operations of the site, expanding the ability to monitor the communications of international leased line transit in the UK. This site is one of the earliest to receive sophisticated early IBM computers, with the NSA surveillance automatic watch-list of labor-intensive but unenciphered intercepted telex messages.

The site is believed to be part of ECHELON, the system monitoring the alleged civil satellite communications. However, the idea of ECHELON, and stands alone, has emerged only in popular culture and media. In the early 1970s, the first of what became more than eight large satellite communications dishes installed at Menwith Hill.


Between 1984 and 1995 a number of peace camp set up near the station. A number of other individual protests also occur, especially those dealing with nuclear proliferation and missile defense strategic. Protests also occurred in other U.S. military sites in Britain such as Greenham Common.

Objections against the Strategic Defense Initiative has led demonstrators stormed the perimeter fence. and demands in 2007 from Labour MPs for a full debate about missile defense and Menwith Hill The action continued. to 2006.

One particular local activist, Lindis Percy, demanded, during a protracted period, under several different laws.

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