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BSubmarines
At a glance
Shallow Water Combat Submersiblelarger figure on 0 of 1
Type 925 submarine support shiplarger figure on 1 of 1
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 | Type 925 submarine support ship |
|---|---|---|
| Power | — | 2 MAN Diesels, 9,000 shp (6,700 kW), 2 shafts[source] |
| Builders | Teledyne Brown Engineering[source] | Hudong SY, Shanghai[source] |
| Operators | United States Navy Royal Navy (planned)[source] | People's Liberation Army Navy[source] |
| Preceded by | SEAL Delivery Vehicle[source] | — |
| Cost |
512 ft (156 m)[source]
Bars compare reported quantities only. A larger figure does not make a system better; configurations and test conditions differ.
$383 million (program cost)[source]
| — |
| On order | 7 USN, 3 RN[source] | — |
|---|
| Building | — |
|---|
| Completed |
|---|
| Type | Submersible , diver propulsion vehicle[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] | — |
|---|
| Armament | SEAL team personal weapons, limpet mines[source] | — |
|---|
| Country of origin | United States[source]Inventory Origin column; table 2, row 5, cell 2; revision 1373375989; retrieved 2026-09-30 | People's Republic of China[source] People's Republic of China[source] |
|---|
| In service | — | completed in November 1979 for use[source] |
|---|
| In commission | — | first ship started construction in 1975[source] |
|---|
| Aircraft carried | — | 2 Z-8 Super Frelon helicopters[source] |
|---|
| Aviation facilities | — | aft helicopter deck and hangars for 2 Z-8 Super Frelon helicopters[source] |
|---|