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In page London Stansted Airport:

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The Ministry of Civil Aviation finally took control of Stansted in 1949 and the airport was then used as a base by several UK charter airlines. The US military returned in 1954 to extend the runway for a possible transfer to NATO.[citation needed] The transfer to NATO was never realised, however, and the airport continued in civil use, ending up under BAA control in 1966.[citation needed]