August 25, 2020 (Google Translation) – The Russian Defense Ministry signed contracts for the construction of two large diesel submarines of projects 636.3 and 677. The ceremony of signing state contracts was held at the Army-2020 forum.
The contract provides for the supply of submarines of projects 636.3 and 677. Construction will be carried out at the Admiralty shipyards.
The ceremony also announced the signing of a contract with the Zvezdochka Shipbuilding Center for “the repair and modernization of Project 971 nuclear-powered submarines of the Northern Fleet.”
Submarines of project 636.3 “Varshavyanka” (according to NATO codification – Improved Kilo) belong to the third generation of large diesel-electric submarines and are among the quietest in the world. The submarines have a length of 74 m, the maximum displacement is more than 3,900 tons. The robust hull provides the submarine with a working depth of 240 m and a maximum diving depth of 300 m, a cruising range of up to 7,500 miles. The main armament of the submarines is the Kalibr-PL missile system with cruise missiles of the same name, which are launched through torpedo tubes from a submerged position.