8.0·1 season·2 episodes·45 min avg.·United Kingdom
British cameras have been given access on board a hunter-killer submarine on live operations. Go on board HMS Trenchant, a nuclear submarine, on its tour of duty to uncover the reality of life at sea.
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Episode 1Up next
Sep 13, 2021
The HMS Trenchant's crew prepares to leave port for the first time in six months.
02
Episode 2
Sep 20, 2021
Captain Stephen Brian takes command of HMS Trenchant with orders to stop a Russian ship.
