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Japan’s Soryu-class diesel-electric attack submarine achieves something once considered impossible for non-nuclear boats: weeks of submerged operation without surfacing. The Kockums Stirling AIP engine,...
Out of all the submarine stories I have worked on in nearly twenty years of defense publishing and running various national security outlets or...
Summary and Key Points: France is building six nuclear-powered Suffren-class attack submarines — alternately called the Barracuda-class in English — to replace the Cold...
The Canadian Patrol Submarine Project, often referred to in shorthand as CPSP, is Ottawa’s attempt to replace the Royal Canadian Navy’s aged Victoria-class submarines...
Russia’s Project 955A Borei-A class nuclear-powered ballistic missile submarine carries 15 Bulava intercontinental ballistic missiles — each armed with up to 10 multiple independently...
During NATO Exercise JTFEX/TMDI 99 in 1999, the Dutch diesel-electric submarine HNLMS Walrus (S802) penetrated the layered defensive escort screen around the U.S. Navy’s...
Australia’s HMAS Waller, a Collins-class diesel-electric submarine, ‘notionally’ sank a U.S. Navy nuclear-powered aircraft carrier in a wargame simulation and several escorts at the...
The U.S. Navy took delivery of its 25th Virginia-class fast-attack submarine — the USS Massachusetts (SSN-798) — in November 2025. The seventh Block IV...
“The Dodge Durango of submarines.” That’s how a former U.S. Navy admiral described the Virginia-class attack submarine. The framing is correct by every credible...