How Britain’s Decoy Radio Signal Pulled 6 U-Boats Straight Into an Ambush

WW2 Battlelines

WW2 Battlelines

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June 1944. The Allied armada is crossing the Channel, and the U-boats are coming with a new weapon: the snorkel. Britain had no minelayers to spare, so it used a spy, a wireless set and a lie.

This is the story of TATE, a German agent secretly working for MI5, and the radio messages that helped close a stretch of ocean the size of Cyprus without a single mine being laid. You'll see how Captain Rodger Winn and Commander Ewan Montagu turned Ultra intelligence and the Double Cross System into a weapon against the U-boat fleet.

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