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HMS Illustrious leaves Portsmouth for Mediterranean

1 October 2012 Last updated at 15:42 BST

Royal Navy warship HMS Illustrious has sailed from Hampshire for a three-month training deployment in the Mediterranean.

The helicopter carrier left its home port of Portsmouth as part of Exercise Cougar.

The annual exercise involves six ships, more than 20 helicopters and 3,000 troops which make up the Response Force Task Group (RFTG).

HMS Illustrious is set to be decommissioned in 2014.