Jonathan Beale inside the RAF Sentinel spy plane
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RAF spy plane Sentinel maps southern England floods

14 February 2014 Last updated at 03:15 GMT

The RAF has been using its most sophisticated spy plane - the Sentinel - to map the scale of the flooding across southern England for the first time.

The BBC's defence correspondent Jonathan Beale joined the flight over the Thames Valley, Severn river and Somerset Levels.

He spoke to RAF sergeant Chris Bradbury on board.