Victor-class submarine

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A Victor I-class submarine underway
Class overview
Name	Victor class
Builders	Sudomekh Shipyard
Operators	Soviet Navy  Russian Navy
Preceded by	November class
Succeeded by	Alfa class, Akula class
In commission	1967–present
Completed	48[1]
Active	2
Retired	46
General characteristics
Type	Nuclear attack submarine
Displacement	4,950 tons light surfaced 6,990 tons normal surfaced 7,250 tons submerged
Length	93–102 m (305 ft 1 in – 334 ft 8 in)
Beam	10 m (32 ft 10 in)
Draft	7 m (23 ft 0 in)
Propulsion	One VM-4P pressurized-water twin nuclear reactor (2x75 MW), 2 sets OK-300 steam turbines; 1 7-bladed or 2 4-bladed props; 31,000 shp (23,000 kW) at 290 shaft rpm – 2 low-speed electric cruise motors; 2 small props on stern planes; 1,020 shp (760 kW) at 500 rpm Electric: 4,460 kw tot. (2 × 2,000-kw, 380-V, 50-Hz a.c. OK-2 turbogenerators, 1 × 460-kw diesel emergency set)[verification needed]
Speed	32 knots (59 km/h; 37 mph)
Endurance	80 days
Complement	About 100 (27 officers, 34 warrant officers, 35 enlisted)
Sensors and processing systems	Radar: 1 MRK-50 Albatros-series (Snoop Tray-2) navigation/search Sonar: MGK-503 Skat-KS (Shark Gill) suite: LF active/passive; passive flank array; Barrakuda towed passive linear array (Victor III only); MT-70 active ice avoidance EW: MRP-10 Zaliv-P/Buleva (Brick Pulp) intercept; Park Lamp direction-finder
Armament	Active vessels have 2 bow torpedo tubes, 650 mm (26 in) (6 weapons – Type 88R[verification needed]/SS-N-16 Stallion ASW missiles, Type 65-76 torpedoes) 4 bow torpedo tubes, 533 mm (21 in) (18 weapons – Type 83RN/Type 53-65K/USET-80 torpedoes, Type 84RN[verification needed]/SS-N-15 Starfish ASW missiles, VA-111 Shkval rocket torpedoes, MG-74 Korund and Siren decoys, or up to 36 naval mines)

The Victor class, Soviet designations Project 671 Yorsh, Project 671RT Syomga and Project 671RTM/RTMK Shchuka, (NATO reporting names Victor I, Victor II and Victor III, respectively), are series of nuclear-powered attack submarines built in the Soviet Union and operated by the Soviet Navy. Since the 1960s, 48 units were built in total, of which the last remaining are currently in service with the Russian Navy. The Victor-class submarines featured a teardrop shape, allowing them to travel at high speed. These vessels were primarily designed to protect Soviet surface fleets and to attack American ballistic missile submarines. Project 671 began in 1959 with the design task assigned to SKB-143 (one of the predecessors of the Malakhit Marine Engineering Bureau).