Prince Williams touring HMS Alliance at the Royal Navy Submarine Museum in Gosport, Hampshire
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Prince William downs rum on submarine visit

12 May 2014 Last updated at 22:18 BST

The Duke of Cambridge downed a gulper's measure of rum at a rededication ceremony for the only surviving British World War Two-era submarine.

Prince William, who is Commodore-in-Chief for Submarines, visited HMS Alliance at the Royal Navy Submarine Museum in Gosport, Hampshire.

He was greeted by local schoolchildren before downing the tot of neat rum - a ritual for newly-qualified submariners.

The vessel, which has been restored at a cost of £7m, reopened last month.