Summary and Key Points: The USS Parche was the most decorated submarine in U.S. Navy history, earning 10 Presidential Unit Citations for missions still...
The USS Connecticut (SSN-22), one of only three Seawolf-class submarines ever built, struck an underwater mountain in the South China Sea in October 2021,...
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,...
Summary and Key Points: Seven weeks after the Soviet Union dissolved, a Russian Sierra-class submarine designated K-276 Crab surfaced directly beneath the USS Baton...
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...