Aerospace & Defense
Project 661 Anchar, NATO’s Papa class, was a titanium-hulled, twin-reactor missile submarine built at Sevmash to sprint at a US carrier group, fire ten...
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Project 661 Anchar, NATO’s Papa class, was a titanium-hulled, twin-reactor missile submarine built at Sevmash to sprint at a US carrier group, fire ten...
Ordinary pressure hulls were steel. Project 661 (also known as the Papa-Class or the K-222 submarine) used titanium alloy, which meant the Soviet Union...
K-222 reached 44.7 knots submerged, roughly 51 miles per hour, from two reactors and 80,000 shaft horsepower. No crewed submarine has publicly surpassed it....
Cold War U.S. Navy analysts, watching the Soviets build something extraordinary at the Sudomekh shipyard in Leningrad through the 1960s and 1970s, reached a...
The Soviet K-222 (Papa-class) remains a legendary anomaly in naval history: the fastest nuclear submarine ever built. While modern 2026 submarine doctrine prioritizes near-silent...