Delta III-class submarine

Surfaced: 13,500 tons
Submerged: 18,200 tons

	A Delta III-class submarine
Class overview
Name	Delta III class
Builders	Severnoye Mashinostroitelnoye Predpriyatie Severodvinsk
Operators	Soviet Navy, Russian Navy
Preceded by	Delta II class
Succeeded by	Delta IV class & Typhoon class
Subclasses	Project 09786 Special Purpose Submarine
Built	1974–1982
In service	1976–present
Completed	14
Active	1
Retired	13
General characteristics
Type	Submarine
Displacement	Surfaced: 13,500 tons; Submerged: 18,200 tons;
Length	166 m (545 ft)
Beam	12.3 m (40 ft)
Draught	8.7 m (29 ft)
Depth	Operational: 320 m (1,050 ft); Maximum: 400 m (1,300 ft);
Propulsion	Reactor system OK-700A (two VM-4S (2*90 MW) PWR) powering 2 steam turbines delivering 44,700 kW (59,900 shp) to 2 five-bladed fixed pitched shrouded propellers
Speed	Surfaced: 14 knots (26 km/h; 16 mph); Submerged: 24 knots (44 km/h; 28 mph);
Range	Unlimited, except by food supplies
Complement	40 officers, 90 enlisted
Armament	16 × RSM-50 R-29R "Vysota" missiles; 4 × bow 533 mm (21 in) torpedo tubes; 16 torpedoes (SET-65, SAET-60M, 53-65K, 53-65M);

The Delta III-class submarine, Soviet designation Project 667BDR Kaľmar (Squid), is a large ballistic missile submarine operated by the Russian Navy. Like other previous Delta-class submarines, the Delta III class is a double hulled design, with a thin low magnetic steel outer hull wrapped around a thicker inner pressure hull.