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.
More top news
A&E services at County Hospital in Stafford have been suspended for under 18s because the service is 'not clinically safe'.
GCSE grades have fallen across the board but girls continue to outperform boys, according to this year's results.
The serial killer Peter Sutcliffe has been moved from Broadmoor psychiatric hospital to prison.