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The Echo class were nuclear cruise missile submarines of the Soviet Navy built during the 1960s. Their Soviet designation was Project 659 for the first five vessels, and Project 675 for the following twenty-nine. Their NATO reporting names were Echo I and Echo II. All were decommissioned by 1994.
Echo I class, Echo II class & Accidents
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echo class ii soviet missile project submarines cruise isbn boats missiles 675 severodvinsk p-500 fire war built 659 submarine komsomolsk-on-amur
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| Echo-class submarine | Armament | Echo I : | 1.00 | infobox |
| Echo-class submarine | Armament | 6 × P-5 Pyatyorka cruise missiles | 1.00 | infobox |
| Echo-class submarine | Armament | 4 × 533 mm (21 in) bow torpedo tubes | 1.00 | infobox |
| Echo-class submarine | Armament | 2 × 400 mm (16 in) bow torpedo tubes | 1.00 | infobox |
| Echo-class submarine | Armament | 2 × 400 mm (16 in) stern torpedo tubes | 1.00 | infobox |
| Echo-class submarine | Armament | Echo II : | 1.00 | infobox |
| Echo-class submarine | Armament | 8 × P-6 cruise missiles | 1.00 | infobox |
| Echo-class submarine | Armament | Echo II mod : | 1.00 | infobox |
| Echo-class submarine | Armament | P-6 replaced with 8 × P-500 or P-1000 (SS-N-12 "Sandbox") missiles | 1.00 | infobox |
| Echo-class submarine | Beam | Echo I : 9.2 m (30 ft 2 in) | 1.00 | infobox |
| Echo-class submarine | Beam | Echo II : 9.3 m (30 ft 6 in) | 1.00 | infobox |
| Echo-class submarine | Builders | Komsomolsk-on-Amur, shipyard No. 199 | 1.00 | infobox |
| Echo-class submarine | Builders | Severodvinsk, shipyard No. 402 | 1.00 | infobox |
| Echo-class submarine | Complement | 104-109 men (including 29 officers) | 1.00 | infobox |
| Echo-class submarine | Completed | Echo I : 5 | 1.00 | infobox |
| Echo-class submarine | Completed | Echo II : 29 | 1.00 | infobox |
| Echo-class submarine | Displacement | Echo I : | 1.00 | infobox |
| Echo-class submarine | Displacement | 3,768 long tons (3,828 t) surfaced | 1.00 | infobox |
| Echo-class submarine | Displacement | 4,920 long tons (4,999 t) submerged | 1.00 | infobox |
| Echo-class submarine | Displacement | Echo II : | 1.00 | infobox |
| Echo-class submarine | Displacement | 4,415 long tons (4,486 t) surfaced | 1.00 | infobox |
| Echo-class submarine | Displacement | 5,760 long tons (5,852 t) submerged | 1.00 | infobox |
| Echo-class submarine | Draught | Echo I : 7.1 m (23 ft 4 in) | 1.00 | infobox |
| Echo-class submarine | Draught | Echo II : 7.4 m (24 ft 3 in) | 1.00 | infobox |
| Echo-class submarine | Endurance | 50 days | 1.00 | infobox |
| Echo-class submarine | In commission | 19 November 1960–15 July 1994 | 1.00 | infobox |
| Echo-class submarine | Length | Echo I : 111.2 m (364 ft 10 in) | 1.00 | infobox |
| Echo-class submarine | Length | Echo II : 115.4 m (378 ft 7 in) | 1.00 | infobox |
| Echo-class submarine | Operators | Soviet Navy | 1.00 | infobox |
| Echo-class submarine | Operators | Russian Navy | 1.00 | infobox |
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