Episode 5

JJ Chalmers learns how a warship performs one of its most dangerous and difficult manoeuvres, refuelling at sea. He joins a massive 39,000-ton tanker, operated by the Royal Fleet Auxiliary, as it conducts the dangerous operation just 40 metres apart from a moving warship out on the high seas. Kate Humble takes on the extreme Submarine Escape, Rescue, Abandonment & Survival course.

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S2 · E6

Episode 6

Wed, May 6, 2026