Project 671 Yorsh/Victor I-class nuclear-powered attack submarine

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:	3
Retired:	45
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) (8 weapons - Type 88R[verification needed]/SS-N-16 Stallion cruise missiles, Type 65-76torpedoes) 4 bow torpedo tubes, 533 mm (21 in) (16 weapons - Type 83RN/Type 53-65K/USET-80 torpedoes, Type 84RN[verification needed]/SS-N-15 Starfish cruise 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 1960s, 48 units were built in total of the last remaining units are currently in service with the Russian Navy. The Victor-class submarines featured a teardrop shape, which allowed 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 begun in 1959 and design task was assigned to SKB-143, one of the two predecessors (the other being OKB-16) of the famous Malachite Central Design Bureau, which would eventually become one of the three Soviet/Russian submarine design centers, along with Rubin Design Bureau and Lazurit Central Design Bureau.

Soviet designation Project 671 Yorsh (ruffe) - was the initial type that entered service in 1967; 16 were produced.^[2] Each had six torpedo tubes for launching Type 53 torpedoesand SS-N-15 cruise missiles and mines could also be released. Subs had a capacity of 24 tube-launched weapons or 48 mines (a combination would require fewer of each). They were 92.5 m (303 ft) long. All disposed.^[3]

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