What's life on board like for the crew of HMS Astute?

9 December 2012 Last updated at 12:37 ET Help

HMS Astute is larger than other attack submarines.

There's no "hot bunking" so each of the 100 strong crew gets their own bed but, as it carries plenty of weapons, conditions are still cramped.

Weapons engineer Sean Roddy shows Astute's "bomb shop" and living quarters.

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