FORCETALLY
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At a glance
Columbia-class submarinelarger figure on 3 of 3
S-80 Plus-class submarinelarger figure on 0 of 3
Measured figures
Length
Single source560 ft (171 m)[source]
Length
Single sourceConfiguration
| Specification | Columbia-class submarine | S-80 Plus-class submarine |
|---|---|---|
| Power | S1B[source] | — |
| Thrust | — | 1 shaft Etanol-AIP 3 bio-ethanol engines (3 × 1,200 kW) MTU-16V-396SE-85L 1 electric motor (3,500 kW), 1 AIP fuel cell unit (300 kW) Vulkan couplings RATO-S G-561W. 280 kN·m[source] |
| Preceded by | Ohio class (ballistic missile submarine variant)[source] | Galerna class[source] |
| Cost | US$ 109.8 billion for 12 boats (FY2021, projected) US$ 9.15 billion per unit (FY2021, projected)[source] | € 3.935 billion (2018) for 4 units € 983.75 million (2018) per unit[source] |
Counts only measures both sources give with the same scope. A larger figure is not a better system.
81.05 m (265 ft 11 in)[source]
Maximum; Submerged
Single sourceMaximum; Surfaced
Single source12 knots (22 km/h; 14 mph) surfaced 19 knots (35 km/h; 22 mph) submerged[source]
Bars compare reported quantities only. A larger figure does not make a system better; configurations and test conditions differ.
| Built | 2020–present[source] | 2005–2029 (planned)[source] |
|---|
| Planned | 12[source] |
|---|
| On order | — |
|---|
| Building |
|---|
| Type | Nuclear-powered ballistic missile submarine (SSBN)[source] | Submarine with air-independent propulsion (AIP)[source] |
|---|
| Propulsion | Turbo-electric drive, pump-jet[source] | — |
|---|
| Sensors & processing systems | Enlarged version of the Virginia -class LAB sonar[source] | — |
|---|
| Armament | 16 × Trident D5 and torpedo tubes[source] | 6 × 533 mm (21.0 in) torpedo tubes with: Torpedoes: DM2A4 Mark 48 (option) Black Shark (option) Spearfish (option) Torped 2000 (option) Anti-ship missiles: UGM-84 Sub-Harpoon block II (option) Exocet (option) Joint Strike Missile (studies) Cruise missiles: Tomahawk (option) Cylindrical multi-influence mines MINEA smart bottom mines[source] |
|---|
| Country of origin | United States[source] | — |
|---|
| Manufacturer | General Dynamics Electric Boat[source]Columbia class · District of Columbia SSBN-826 construction | — |
|---|
| Builders | — | Navantia[source] |
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| Operators | — | Spanish Navy[source] |
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| In commission | — | 2023-present[source] |
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| Completed | — |
|---|
| Active | — |
|---|
| Endurance | — | 30-55 days in immersion[source] |
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| Test depth | — | 460 m (1,510 ft)[source] |
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| Notes | — | AIP reactor autonomy: 28 days[source] |
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| National origin | — | Spain[source] |
|---|