Warship: Life in the Royal Navy

JJ Chalmers and Kate Humble are given unprecedented access to the Royal Navy, both at sea and across many of their establishments back home. Our cameras are on board as a British warship hunts down a Russian submarine; Kate gets special clearance to go behind the scenes at Britian's secretive submarine base at Faslane in Scotland and JJ reveals what it takes to be an elite Royal Marine Commando as he journeys back to the beginning of his military career.