https://globalmilitaryreview.blogspot.com/2013/08/russian-steregushchy-class.html
Russian Steregushchy Class (Soobrazitelnyy 531) Guided Missile Corvette | Global Military Review
Russian Soobrazitelnyy 531 is the 2nd ship of the Steregushchy Class Guided Missile Corvette of Russian Navy. Steregushchy Class Guided ...
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