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ASubmarines
At a glance
Kashalot-class submarinelarger figure on 3 of 3
Shallow Water Combat Submersiblelarger figure on 0 of 3
Measured figures
Length
Single source69 m (226 ft 5 in)[source]
Length
Single sourceConfiguration
| Specification | Kashalot-class submarine | Shallow Water Combat Submersible |
|---|---|---|
| Power | One pressurized-water nuclear reactor 1.5 MW (2,000 hp), 1 sets steam turbines; 10,000 shp (7,500 kW)[source] | — |
| Name | Kashalot[source] | — |
| Builders | Soviet Union[source] | Teledyne Brown Engineering[source] |
| Operators | Soviet Navy Russian Navy[source] | United States Navy Royal Navy (planned)[source] |
| Built | 1977–1991 |
Counts only measures both sources give with the same scope. A larger figure is not a better system.
6.8 meters (22 ft)[source]
Bars compare reported quantities only. A larger figure does not make a system better; configurations and test conditions differ.
| — |
| In service | 1986–present[source] | — |
|---|
| Planned | — |
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| Completed |
|---|
| Canceled | — |
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| Active | — |
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| Sensors & processing systems | Radar: 1 Snoop Slab search Sonar: HF active[source] | Inertial navigation system , high-frequency sonar for obstacle/mine avoidance and navigation, GPS[source] |
|---|
| Country of origin | Soviet Union[source] | United States[source]Inventory Origin column; table 2, row 5, cell 2; revision 1373375989; retrieved 2026-09-30 |
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| Preceded by | — | SEAL Delivery Vehicle[source] |
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| Cost | — | $383 million (program cost)[source] |
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| On order | — | 7 USN, 3 RN[source] |
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| Building | — |
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| Type | — | Submersible , diver propulsion vehicle[source] |
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| Propulsion | — | Lithium-ion batteries powering electric motors[source] |
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| Test depth | — | >190 feet (58 m)[source] |
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| Armament | — | SEAL team personal weapons, limpet mines[source] |
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