FORCETALLY
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At a glance
Gotland-class submarinelarger figure on 3 of 3
Shallow Water Combat Submersiblelarger figure on 0 of 3
Counts only measures both sources give with the same scope. A larger figure is not a better system.
Measured figures
Bars compare reported quantities only. A larger figure does not make a system better; configurations and test conditions differ.
Configuration
| Specification | Gotland-class submarine | Shallow Water Combat Submersible |
|---|---|---|
| Builders | Kockums[source] | Teledyne Brown Engineering[source] |
| Operators | Swedish Navy[source] | United States Navy Royal Navy (planned)[source] |
| Preceded by | Västergötland class[source] | SEAL Delivery Vehicle[source] |
| Succeeded by | Blekinge class[source] | — |
| Built | 1992–1996[source] | — |
| In commission | 1996–present[source] | — |
| Planned | — | |
| Completed | ||
| Active | — | |
| Type | Submarine[source] | Submersible , diver propulsion vehicle[source] |
| Propulsion | 2 × Diesel-electric MTU engines 2 × Kockums v4-275R Stirling AIP units[source] | Lithium-ion batteries powering electric motors[source] |
| Sensors & processing systems | CSU 90-2 integrated sonar sensor suite[source] | Inertial navigation system , high-frequency sonar for obstacle/mine avoidance and navigation, GPS[source] |
| Armament | 4 × 533 mm (21.0 in) torpedo tubes 2 × 400 mm (15.7 in) torpedo tubes 48 × Externally mounted naval mines[source] | SEAL team personal weapons, limpet mines[source] |
| Country of origin | Sweden[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 | — | |
| Test depth | — | >190 feet (58 m)[source] |