FORCETALLY
Loading the evidence…
Preparing your view.
Preparing your view.
At a glance
Oscar-class submarinelarger figure on 1 of 1
Shallow Water Combat Submersiblelarger figure on 0 of 1
Counts only measures both sources give with the same scope. A larger figure is not a better system.
Measured figures
Submerged · source measurement 3
Single sourceSubmerged · source measurement 4
Single sourceSurfaced · source measurement 1
Single sourceSurfaced · source measurement 2
Single source12,500/14,700 tonnes surfaced 16,500/19,400 tonnes submerged[source]
Displacement
Single source4.5 tonnes (5.0 short tons)[source]
Bars compare reported quantities only. A larger figure does not make a system better; configurations and test conditions differ.
Configuration
| Specification | Oscar-class submarine | Shallow Water Combat Submersible |
|---|---|---|
| Power | 2 × pressurized water cooled reactors, HEU ≤ 45%[source] 2 × steam turbines delivering 73,070 kW (97,990 shp) to two shafts[source] | — |
| Name | Oscar II class[source] | — |
| Builders | Sevmash[source] | Teledyne Brown Engineering[source] |
| Operators | Soviet Navy Russian Navy[source] | United States Navy Royal Navy (planned)[source] |
| Preceded by | Papa class Charlie class[source] | SEAL Delivery Vehicle[source] |
| Succeeded by | Yasen class[source] | — |
| Built | 1975–2022, may be restarted[source] | — |
| In commission | 1980–present[source] | — |
| Planned | 20 (2 949, 18 949A)[source] | — |
| Completed | 14 (2 949, 11 949A, 1 09852)[source] | |
| Canceled | 6 (2 incomplete, 4 never laid down)[source] | — |
| Active | 6 (modernization of some boats to 949AM)[source] | — |
| Laid up | — | |
| Lost | — | |
| Retired | 5?[source] | — |
| Type | Nuclear-powered cruise missile submarine[source] | Submersible , diver propulsion vehicle[source] |
| Test depth | 600 m[source] | >190 feet (58 m)[source] |
| Armament | 4 × 533 mm (21.0 in) and 2 × 650 mm (26 in) torpedo tubes in bow 28 × 533 mm and 650 mm weapons, including RPK-2 Vyuga (SS-N-15 Starfish) anti-submarine missiles with 15 kt nuclear warheads and RPK-6 Vodopad/RPK-7 Veter (SS-N-16) anti-submarine missiles with 200 kt nuclear warhead or Type 40 anti-submarine torpedo or 32 ground mines 24 × P-700 Granit (SS-N-19 Shipwreck) cruise missiles with 750 kilograms (1,650 lb) HE or 6 × 100 Mt Poseidon nuclear-powered, nuclear-armed drones[source] | SEAL team personal weapons, limpet mines[source] |
| Alternative designation | Oscar II[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 |
| Cost | — | $383 million (program cost)[source] |
| On order | — | 7 USN, 3 RN[source] |
| Building | — | |
| Propulsion | — | Lithium-ion batteries powering electric motors[source] |
| Sensors & processing systems | — | Inertial navigation system , high-frequency sonar for obstacle/mine avoidance and navigation, GPS[source] |