The Russian Navy’s Yasen Modernized SSGN (Nuclear-Powered Cruise Missile Submarine), also known as Project 885M Yasen-M, is an advanced nuclear-powered submarine designed to enhance the capabilities of the Russian Navy. Here’s a detailed technical summary:General Specifications• Class: Yasen-M (Project 885M)• Displacement: Approximately 13,800 tons submerged• Length: 139 meters (456 feet)• Beam: 13 meters (43 feet)• Draft: 9.4 meters (31 feet)• Propulsion: Nuclear reactor with a steam turbine and a single shaft, delivering around 43,000 shaft horsepowerPropulsion and Performance• Speed: Capable of speeds up to (28 kts public) 35 knots probable (65 km/h; 40 mph) submerged• Range: Virtually unlimited range due to nuclear propulsion; limited only by food and maintenance requirements• Endurance: Can remain submerged for extended periods, reportedly up to 100 days, depending on mission requirements and crew sustainabilityArmament• Missile Systems:o Vertical Launch System (VLS): Equipped with up to 32 VLS cells for various cruise missiles, including the Kalibr and Oniks (SS-N-26) missiles. Capable of carrying hypersonic Zircon missiles.o Torpedo Tubes: Eight 533 mm (21 inches) torpedo tubes capable of launching torpedoes, anti-ship, and anti-submarine missiles. Also supports mine-laying operations.• Missile Range:o Kalibr Missiles: Up to 2,500 kilometers (1,553 miles)o Oniks Missiles: Approximately 600 kilometers (373 miles)o Zircon Missiles: Expected to exceed 1,000 kilometers (621 miles) at hypersonic speedsSensors and Combat Systems• Sonar: Advanced integrated sonar suite, including a spherical bow sonar array, flank arrays, and towed array sonar system for enhanced detection and tracking capabilities.• Combat Management System: Modernized automated combat information control system for integrated operations of weapon systems and sensors.• Electronic Warfare: Equipped with sophisticated electronic warfare and countermeasures systems to detect and neutralize threats.Crew and Habitability• Crew: Accommodates approximately 64 officers and enlisted personnel• Habitability: Designed for extended missions with improved crew living conditions, including comfortable berthing spaces, modern galley facilities, and recreational areas.Stealth and Survivability• Stealth Features: Incorporates advanced acoustic quieting techniques, including anechoic coating, isolated machinery, and improved hydrodynamics to reduce noise and make detection difficult.• Survivability: Built with a reinforced hull and advanced damage control systems to withstand underwater explosions and combat damage, enhancing its survivability in hostile environments.Operational RoleThe Yasen-M SSGNs are versatile submarines designed for multiple roles, including:• Strategic Strike: Capable of delivering precise long-range cruise missile attacks against land and sea targets.• Anti-Ship Warfare: Equipped to engage surface combatants with advanced anti-ship missiles.• Anti-Submarine Warfare: Features sophisticated sonar and weaponry to detect and neutralize enemy submarines.• Intelligence, Surveillance, and Reconnaissance (ISR): Conducts covert operations for gathering intelligence and monitoring adversary movements.ConclusionThe Yasen Modernized SSGN represents a significant advancement in Russian submarine technology, combining formidable offensive capabilities with enhanced stealth and survivability. Its ability to carry a diverse array of advanced missiles, along with its state-of-the-art sensors and combat systems, positions it as a key asset in the Russian Navy’s strategic and tactical operations.