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Crewed by around 155 personnel, the Ohio class is responsible for carrying almost half of America’s active thermonuclear warheads. Featuring a top speed of 25 knots when submerged, these submarines are powered by a pressurized water nuclear reactor and can carry up to 24 Trident II D5 ballistic missiles, highlighting their critical role in U.S. defense strategies.
The Borei Class: Russia's Nuclear-Powered Giants
Ranked as the second-largest submarines in the world, the Borei class submarines represent a significant stride in Russian naval engineering. With a submerged displacement of around 26,500 tons, they measure 560 feet in length and are equipped to carry 16 RSM-56 Bulava missiles.