Credit
PH1 James Preston · Public domain · Resized · Public domain · Source ↗ · Modified
FORCETALLY
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At a glance
Ohio-class submarinelarger figure on 0 of 2
Oscar-class submarinelarger figure on 2 of 2
Counts only measures both sources give with the same scope. A larger figure is not a better system.
Measured figures
Length
Single source560 ft (170 m)[source]
maximum
Single sourceConfiguration
| Specification | Ohio-class submarine | Oscar-class submarine |
|---|---|---|
| Range | Limited only by food supplies[source] | — |
| Power | 1× S8G PWR nuclear reactor 2× geared turbines ; 35,000 shp (26 MW) 1x Fairbanks Morse auxiliary diesel 1× 325 hp (242 kW) auxiliary motor 1 shaft with seven-bladed screw[source] | 2 × pressurized water cooled reactors, HEU ≤ 45%[source] 2 × steam turbines delivering 73,070 kW (97,990 shp) to two shafts[source] |
| Name | Ohio class[source] | Oscar II class[source] |
| Builders | General Dynamics Electric Boat[source] |
155 m (508 ft 6 in) maximum[source]
Submerged
Single sourceSurfaced
Single source16,764 tonnes (16,499 long tons) surfaced 18,750 tonnes (18,450 long tons) submerged[source]
Submerged · source measurement 3
Single sourceSubmerged · source measurement 4
Single sourceMaximum; Surfaced
Single sourceMaximum; submerged (official)
Single sourceMaximum; submerged (reported)
Single source12 knots (22 km/h; 14 mph) surfaced 20 knots (37 km/h; 23 mph) submerged (official) 25 knots (46 km/h; 29 mph) submerged (reported)[source]
Maximum; Surfaced
Single sourceMaximum; Submerged
Single sourceBars compare reported quantities only. A larger figure does not make a system better; configurations and test conditions differ.
Sevmash[source] |
| Operators | United States Navy[source] | Soviet Navy Russian Navy[source] |
|---|
| Preceded by | Benjamin Franklin class[source] | Papa class Charlie class[source] |
|---|
| Succeeded by | Columbia class (ballistic missile submarine variant) Virginia class (cruise missile submarine variant)[source] | Yasen class[source] |
|---|
| Cost | $2 billion (late 1990s) ($3.62 billion in 2024 dollars )[source] | — |
|---|
| Built | 1976–1997[source] | 1975–2022, may be restarted[source] |
|---|
| In commission | 1981–present[source] | 1980–present[source] |
|---|
| Planned | 24[source] | 20 (2 949, 18 949A)[source] |
|---|
| Completed | 18[source] | 14 (2 949, 11 949A, 1 09852)[source] |
|---|
| Canceled | 6 (2 incomplete, 4 never laid down)[source] |
|---|
| Active | 18[source] | 6 (modernization of some boats to 949AM)[source] |
|---|
| Type | SSBN / SSGN (hull design SCB-304)[source] | Nuclear-powered cruise missile submarine[source] |
|---|
| Test depth | +800 ft (240 m)[source] | 600 m[source] |
|---|
| Sensors & processing systems | BQQ-6 passive bow-mounted array (which includes BQS-13 fire control array) BQR-19 navigation TB-16 or BQR-23 towed array BQR-25 conformal array AN/BPS-15J[source] | — |
|---|
| Armament | 4 × 21 inch (533 mm) Mark 48 torpedo tubes (Forward Compartment 4th level)[source] | 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] |
|---|
| Country of origin | United States[source] | Soviet Union[source] |
|---|
| Laid up | — |
|---|
| Lost | — |
|---|
| Retired | — | 5?[source] |
|---|
| Endurance | — | 120 days[source] |
|---|
| Alternative designation | — | Oscar II[source] |
|---|
Surfaced · source measurement 1
Single sourceSurfaced · source measurement 2
Single source12,500/14,700 tonnes surfaced 16,500/19,400 tonnes submerged[source]
15 knots (28 km/h; 17 mph) surfaced 32 knots (59 km/h; 37 mph) submerged[source]