Back سلاح الجو الملكي مينويث هيل Arabic Менуит Хил Bulgarian RAF Menwith Hill German آرایاف منوید هیل Persian RAF Menwith Hill French RAF Menwith Hill Italian RAFメンウィズヒル Japanese 맨위드 힐 공군기지 Korean RAF Menwith Hill NB
RAF Menwith Hill | |
|---|---|
| Near Harrogate, North Yorkshire in England | |
 Radomes at RAF Menwith Hill | |
  | |
.svg)  RAF Menwith Hill Location in North Yorkshire | |
| Coordinates | 54°00′29″N 001°41′24″W / 54.00806°N 1.69000°W |
| Type | RAF station (US Visiting Forces) |
| Area | 605 acres (245 ha) |
| Site information | |
| Owner | Ministry of Defence |
| Operator | |
| Condition | Operational |
| Site history | |
| Built | 1956 – 1959 |
| In use | 1959–present |
| Garrison information | |
| Garrison | 421st Air Base Squadron |
Royal Air Force Menwith Hill (RAF Menwith Hill) is a Royal Air Force station near Harrogate, North Yorkshire, England, which provides communications and intelligence support services to the United Kingdom and the United States. The site contains an extensive satellite ground station and is a communications intercept and missile warning site.[1] It has been described as the largest electronic monitoring station in the world.[2]
RAF Menwith Hill is owned by the Ministry of Defence (MoD), but made available to the US Department of Defense (DoD) under the NATO Status of Forces Agreement 1951 and other, undisclosed agreements between the US and British governments. His Majesty's Government (HMG) is entitled to possession of the site and retains control over its use and its facilities, though the administration of the base is the responsibility of the US authorities,[1] with support provided by around 400 staff from Government Communications Headquarters (GCHQ), in addition to United States Air Force (USAF) and US National Security Agency (NSA) personnel.[3] In 2014, the number of American personnel was reduced as part of a streamlining of operations due to improvements in technology.[4]
The site acts as a ground station for a number of satellites operated by the US National Reconnaissance Office,[5] on behalf of the NSA, with antennas contained in numerous distinctive white radomes, locally referred to as "the golf balls", and is alleged to be an element of the ECHELON system.[6]
The site is one of three main sites operated by the United States across the globe as a major satellite monitoring station and intelligence gathering location. The other two sites are located in America and Australia, having similar roles and working together with RAF Menwith Hill to develop knowledge around American, British and Australian interests. The Australian site is known as the Joint Defence Facility Pine Gap.
- ^ a b "RAF Menwith Hill". Royal Air Force. Archived from the original on 11 September 2008.
- ^ "UK agrees missile defence request". BBC News. 25 July 2007. Retrieved 22 May 2010.
- ^ Milmo, Cahal (24 January 2014). "Unknown territory: America's secret archipelago of UK bases". Independent. Retrieved 13 November 2017.
- ^ "Technology led to decision to cut Menwith Hill personnel"
- ^ NRO-FOIA request
- ^ Bamford, James. Body of Secrets, Anchor, ISBN 0-385-49908-6; 2002
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