What Is The Top Speed Of A Submarine While Underwater?

Submarines' top speeds are different when they're underwater than when they're cruising on the surface -- and not always in the same direction.

Feb 24, 2025 - 23:04
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What Is The Top Speed Of A Submarine While Underwater?
Submarines' top speeds are different when they're underwater than when they're cruising on the surface -- and not always in the same direction.