Russia’s Akula Subs Upgraded With Kalibr Cruise Missiles
Russian Defense Ministry press service
“The Kalibr cruise missile is a highly efficient weapon as was amply proved by the recent launches from the Rostov-on-Don submarine. Kalibr missiles will be installed on the modernized Project 971 submarines,” Admiral Kochemazov told Russkaya Sluzhba Novostei (Russian News Service) radio station in Moscow.
Ministry of defence of the Russian FederationAkula, are the codenames for the multirole nuclear-powered attack submarines which are the backbone of Russia's maritime nuclear deterrence.
First deployed in late 1980s, the Project 971 submarine can move at an impressive speed of up to 35 knots when submerged, has a maximum operational depth of 600 meters (nearly 2,000 feet) and boasts an endurance of 100 days.
The Akula remains one of the quietest Russian submarines to date.
The Russian Navy operates over ten Akulas as part of its Northern and Pacific Fleets. One Project 971 submarine, currently known as INS Chakra is on a ten-year lease in India