If Scotland votes for independence next month, the remaining UK government would have to move its Trident nuclear deterrent out of the country - but a new report suggests the cost of the move would be far lower than expected.
The move would most likely take more than a decade and cost up to an extra £3.5 billion, according to a report by the Royal United Services Institute - but this is far below previous estimates of up to £25bn.
ITV News correspondent Martin Geissler has the full story.
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