Few things worry NATO like Russia's Yasen-class submarines, and Moscow may be planning to build even more of them

Tech Insider
Russian Navy Yasen submarine Kazan
Russian Navy Yasen-class submarine Kazan at its base in Severomorsk in June 2021.

Lev Fedoseyev\TASS via Getty Images

Russia has been scrambling to find missiles to fire at Ukraine, but it's not going to run out of them

Tech Insider
Missile fragment after attack on Kramatorsk train station, Ukraine
A Tochka-U missile fragment on the ground after an attack at the railway station in Kramatorsk on April 8, 2022.

Andriy Andriyenko/AP

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