Das Boot — Atlantic Ocean
The most terrifying sequence — the U-boat attempts a submerged passage through the heavily-patrolled Strait of Gibraltar into the Mediterranean.
The Strait of Gibraltar was one of the most dangerous passages for U-boats — only 14km wide at its narrowest, heavily patrolled by Allied aircraft and surface ships, with unpredictable currents. Only 9 of 62 U-boats that attempted the passage in the first half of 1942 survived.
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