To counter aerial threats, Admiral Isakov was armed with a total of four AK-725 57-millimetre (2.2 in) dual-purpose guns in two twin mountings. She also had four 30-millimetre (1.2 in) AK-630 close-in weapon system mountings, and was armed with two twin launchers for the 48 V-611 surface-to-air missiles they carried in the M-11 Shtorm system (NATO reporting name SA-N-3 Goblet). She mounted two quintuple mountings for 533-millimetre (21.0 in) dual-role torpedoes.[6]