Warship: Life in the Royal Navy — Episode 2: Episode 2

You are watching the episode Episode 2 Kate Humble enters the secret and clandestine world of submarines. She is invited to step on board a British nuclear powered attack submarine at the secretive base of Faslane in Scotland. Former Royal Marine JJ Chalmers heads back to his old stomping ground, the Royal Marine Commando Training Centre in Devon where his training began 18 years ago.