The Club-S (3M54E1 anti-ship and 3M14E land attack) missiles, USHUS sonar, СCS-MK-2 radio communication systems and Porpoise radio-locating radar, and other safety-enhancing features were incorporated.
या सुधारणामध्ये The Club-S (3M54E1 anti-ship and 3M14E land attack) missiles, USHUS sonar, СCS-MK-2 radio communication systems and Porpoise radio-locating radar, आणि अन्य सुरक्षिततेची सुधारित वैशिष्ट्ये यांचा समावेश होता.