There are facilities on Benbecula, North and South Uist and a radar station on Hirta in St Kilda.

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In Fylingdales, among the black-faced sheep of northern Yorkshire, sits a radar station built by the U.S. If expanded, it could well become an outpost much needed to track missiles on their way to North America and to plot their interception.

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One reason is that the Obama administration is rethinking a planned missile-defence system, which would have placed ten interceptor rockets in Poland and a radar station in the Czech Republic, in order to guard against Iranian missile attacks on America and much of Europe.

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However, he said he was optimistic the former World War II radar monitoring station would sell this time around.

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The site, opened in 1941, was used as a radar monitoring station until 2005, before being sold to developers.

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As part of the strategy, the US will also deploy a radar-tracking station in Japan.

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There are 16 buildings on the airbase, including former radar rooms, tennis and squash courts, station headquarters and the old officers' mess.

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There are 16 buildings on the site, including former radar rooms, tennis and squash courts, station headquarters and the old officers' mess.

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The "engagement control station" has three operators, with two radar consoles and a radio link.

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