MPCs "Aleksin" and "Zelenodolsk" laid bottom and floating mines during exercises in the Baltic Sea
Project 1331M vessels sank a simulated enemy submarine
proekt 1331-M
MPK "Aleksin" and "Kabardino-Balkaria" Detected a Submarine and Used the RBU-6000 Rocket Launcher
Anti-submarine ships of Project 1331-M conducted exercises at the Baltic Sea training ranges