Credit
AndriiKhmelkov · CC BY-SA 4.0 · Resized · CC BY-SA 4.0 · Source ↗ · Modified
FORCETALLY
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At a glance
Measured figures
Length · source measurement 1
Single sourceLength · source measurement 2
Single sourceConfiguration
| Specification | Balao-class submarine | Shallow Water Combat Submersible |
|---|---|---|
| Power | 4 × diesel engines driving electrical generators ( Fairbanks-Morse or General Motors ); 2 × 126- cell Sargo batteries ; 4 × high-speed electric motors with reduction gears or 2 × low-speed electric motors ( Elliott Company or General Electric ) two shafts; 5,400 shp (4,000 kW) surfaced, 2,740 shp (2,040 kW) submerged[source] | — |
| Name | Balao class[source] | — |
| Builders | Portsmouth Naval Shipyard Cramp Shipbuilding Company Mare Island Naval Shipyard Electric Boat Company Manitowoc Shipbuilding Company[source] | Teledyne Brown Engineering[source] |
| Operators | United States Navy Italian Navy Turkish Navy Hellenic Navy Peruvian Navy Argentine Navy Chilean Navy Bolivarian Navy of Venezuela Republic of China Navy Royal Canadian Navy Brazilian Navy Royal Netherlands Navy Spanish Navy[source] |
311 ft 6 in–311 ft 10 in (94.9–95.0 m)[source]
Length
Single source6.8 meters (22 ft)[source]
surfaced @ 10 knots (19 km/h)
Single source11,000 nautical miles (20,000 km) surfaced @ 10 knots (19 km/h)[source]
Bars compare reported quantities only. A larger figure does not make a system better; configurations and test conditions differ.
United States Navy Royal Navy (planned)[source] |
| Preceded by | Gato class[source] | SEAL Delivery Vehicle[source] |
|---|
| Succeeded by | Tench class[source] | — |
|---|
| Built | 1942–1946[source] | — |
|---|
| In commission | 1943–present[source] | — |
|---|
| Completed | 120[source] |
|---|
| Canceled | 62[source] | — |
|---|
| Active | — |
|---|
| Lost | 14 (11 in United States service, 3 in foreign service)[source] | — |
|---|
| Retired | 105[source] | — |
|---|
| Preserved | — |
|---|
| Type | Diesel-electric submarine[source] | Submersible , diver propulsion vehicle[source] |
|---|
| Test depth | 400 ft (120 m)[source] | >190 feet (58 m)[source] |
|---|
| Armament | 10 × 21-inch (533 mm) torpedo tubes 6 forward, 4 aft 24 torpedoes 1 × 5-inch (127 mm) / 25 caliber deck gun Bofors 40 mm and Oerlikon 20 mm cannon[source] | SEAL team personal weapons, limpet mines[source] |
|---|
| Country of origin | United States[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 | — |
|---|
| Propulsion | — | Lithium-ion batteries powering electric motors[source] |
|---|
| Sensors & processing systems | — | Inertial navigation system , high-frequency sonar for obstacle/mine avoidance and navigation, GPS[source] |
|---|