Shallow Water Combat Submersible vs Tridente-class submarine

FORCETALLY

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Shallow Water Combat Submersible — licensed reference photograph

ASubmarines

Shallow Water Combat Submersible

Submersible , diver propulsion vehicle

Credit

CAPT Kate Dollof · Public domain · Resized · Public domain · Source ↗ · Modified

BSubmarines

Tridente-class submarine

Attack submarine

First system

Second system

At a glance

Side by side

Length comparisonOne shared metre scale

Shallow Water Combat SubmersibleLength

6.8 m

Length source ↗

Tridente-class submarineLength

67.7 m

Length source ↗

Lengths retain their source configuration and measurement scope.

Shallow Water Combat Submersiblelarger figure on 0 of 2

None

Tridente-class submarinelarger figure on 2 of 2

Length+896%
Beam+323%

Counts only measures both sources give with the same scope. A larger figure is not a better system.

Measured figures

Head to head

16 of 26 rows sourced on both sides

6.8m

67.7m

Length+896%

All recorded figures & sources

6.8 m

Length

Single source

6.8 meters (22 ft)^[source]

67.7 m

Length

Single source

Configuration

Details

Shallow Water Combat Submersible and Tridente-class submarine configuration
Specification	Shallow Water Combat Submersible	Tridente-class submarine
Builders	Teledyne Brown Engineering^[source]	HDW^[source]
Operators	United States Navy Royal Navy (planned)^[source]	Portuguese Navy^[source]
Preceded by	SEAL Delivery Vehicle^[source]	Albacora class^[source]
Cost	$383 million (program cost)^[source]

On order	7 USN, 3 RN^[source]	—

Building	2^[source]	—

Completed	2^[source]	2^[source]

Type	Submersible , diver propulsion vehicle^[source]	Attack submarine^[source]

Propulsion	Lithium-ion batteries powering electric motors^[source]	Diesel-electric, fuel cell AIP , low noise skew back propeller^[source]

Test depth	>190 feet (58 m)^[source]	superior to 300 m (984 ft)^[source]

Sensors & processing systems	Inertial navigation system , high-frequency sonar for obstacle/mine avoidance and navigation, GPS^[source]	Kelvin Hughes KH-1007 (F) navigation radar Atlas Elektronik GmbH ISUS 90 combat management system^[source]