Russia's Master Plan to Kill U.S. Navy Aircraft Carriers (As in This Submarine)
Ohio-class were larger, but then the Russian Navy essentially "supersized" the boats as the Project 949A Antey. Ten meters longer than the original Project 949, the improved class features added space for buoyancy for improved electronics and quieter propulsion. Each of the Oscar-class submarines has a displacement of 24,000 tonnes and is equipped with twenty-four Granit cruise missile launchers and six torpedo tubes. The SS-N-19 Granit (NATO codename "Shipwreck") has a range of 550 KM. The missiles can be fired from the tubes fixed at an angle of approximately 40 degrees while the submarin...
Source: nationalinterest.org