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At a glance
Shallow Water Combat Submersiblelarger figure on 0 of 2
Shishumar-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 source6.8 meters (22 ft)[source]
Length
Single sourceConfiguration
| Specification | Shallow Water Combat Submersible | Shishumar-class submarine |
|---|---|---|
| Power | — | 4 × MTU 12V 493 AZ80 GA31L diesel-electric motors, 2,400 hp (1,790 kW) each 1 × Siemens motor, 4,600 hp (3,430 kW) 4 × 1.8 MW Siemens alternators 1 shaft[source] |
| Builders | Teledyne Brown Engineering[source] | Howaldtswerke-Deutsche Werft Mazagon Dock Limited[source] |
| Operators | United States Navy Royal Navy (planned)[source] | Indian Navy[source] |
| Preceded by | SEAL Delivery Vehicle[source] | Vela class |
64.4 m (211 ft 3 in)[source]
at 10 kn (19 km/h; 12 mph)
Single sourceat 8 kn (15 km/h; 9.2 mph)
Single source8,000 nmi (15,000 km; 9,200 mi) at 8 kn (15 km/h; 9.2 mph) 13,000 nmi (24,000 km; 15,000 mi) at 10 kn (19 km/h; 12 mph)[source]
Bars compare reported quantities only. A larger figure does not make a system better; configurations and test conditions differ.
| Cost | $383 million (program cost)[source] | €300 million each[source] |
|---|
| On order | 7 USN, 3 RN[source] | — |
|---|
| Building | — |
|---|
| Completed |
|---|
| Type | Submersible , diver propulsion vehicle[source] | Attack submarine[source] |
|---|
| Propulsion | Lithium-ion batteries powering electric motors[source] | — |
|---|
| Test depth | >190 feet (58 m)[source] | — |
|---|
| Sensors & processing systems | Inertial navigation system , high-frequency sonar for obstacle/mine avoidance and navigation, GPS[source] | Atlas Elektronik CSU 83 sonar Thomson Sintra DUUX-5 passive sonar Thomson-CSF Calypso surface search radar[source] |
|---|
| Armament | SEAL team personal weapons, limpet mines[source] | 14 × AEG-SUT Mod-1 torpedoes 24 × external strap-on mines UGM-84L Harpoon Block II missiles (S46 and S47 only)[source] |
|---|
| Country of origin | United States[source]Inventory Origin column; table 2, row 5, cell 2; revision 1373375989; retrieved 2026-09-30 | Germany[source] |
|---|
| Name | — | Shishumar class[source] |
|---|
| Succeeded by | — | Kalvari class[source] |
|---|
| In commission | — | 1986–present[source] |
|---|
| Planned | — |
|---|
| Cancelled | — |
|---|
| Active | — |
|---|
| Electronic warfare & decoys | — | Argo Phoenix II AR 700 or Kollmorgen Sea Sentry C 303 acoustic decoys[source] |
|---|