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  1. Nuclear submarine | Size, Reactor, Countries, & Accidents - Britannica

    Dec 29, 2025 · Although the Soviets continued to build diesel submarines, the bulk of their new construction shifted to nuclear power after their first nuclear submarines, of the November class, …

  2. Nuclear submarine - Wikipedia

    A nuclear submarine is a submarine powered by a nuclear reactor, but not necessarily nuclear-armed. Nuclear submarines have considerable performance advantages over "conventional" (typically diesel …

  3. China now operates world's 2nd-largest nuclear submarine fleet

    4 days ago · China has overtaken Russia in nuclear-powered submarines, fielding 32 active boats in 2026 as undersea competition with the US intensifies.

  4. 10 Of The Most Advanced Nuclear Submarines In The World

    Oct 17, 2025 · Nuclear submarines are a true engineering marvel, but some builds stand head and shoulders above the rest. These are the most impressive and advanced nuclear submarines in use …

  5. China’s Nuclear Submarine Fleet Now Overtakes Russia ... - 19FortyFive

    3 days ago · China’s attack submarine fleet is growing fast. Quiet, persistent boats like the Type 093A could threaten Taiwan, with hypersonic options looming.

  6. China Overtakes Russia & Becomes World’s 2nd Biggest Operator of ...

    1 day ago · China is now the world’s second-largest operator of nuclear-powered submarines. According to reports, China has 32 active nuclear submarines, while Russia has 25 to 28 operational ones. The …

  7. Newest Nuclear Sub Arrives For The US Navy With A Historic WW2

    Jan 7, 2026 · The U.S. Navy has some of the most advanced nuclear submarines in the world. Its newest addition is named after an important World War II ship.

  8. China’s Nuclear Submarine Fleet Overtakes Russia’s as Production …

    The latest estimates for the size of the Chinese People’s Liberation Army Navy’s nuclear powered submarine fleet indicated that it has overtaken that of the Russian

  9. Diving Deep: 70-Plus Years of Nuclear-Powered Subs - war.gov

    Mar 31, 2025 · Since the launch of the Nautilus, nuclear-powered subs have grown in size yet are significantly faster, quieter and can perform deeper dives. Their propulsion plants have grown more …

  10. United States Submarine Capabilities - The Nuclear Threat Initiative

    Aug 12, 2024 · The Virginia -class, designed by the Electric Boat Corporation of Connecticut, represents the next generation of U.S. nuclear attack submarines and a more cost-effective alternative to the …