Third sub is being buit
According to a articles of naval expert Yu.V. Vedernikov on the front page of the
Russian Academy of Military Science , VN´s fleet of 6 low-noise submarines, nicknamed 'Black Holes', will be equipped with Club-S missiles, depending on the configuration capable of destroying ground targets (missiles 3M-14E) and target surface (3M rocket -54E) at a distance of 220-300 km.
"The improved Kilo-class submarines feature
stealth technology with extended combat range to strike targets on land, sea surface and underwater."
Equipped with 18 torpedoes and 8 surface-to-air missiles, the submarines have a cruising speed of 20k, a range of 400 miles using electronic propulsion, can patrol for 45 days and are capable of accommodating a crew of 52.
Combined with coastal based missiles Yakhonts (range of 120 to 300 km), the subs enables VN to extend the
defensive line to 2,000 km.