Shallow Water Combat Submersible vs Type 091 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

AI-generated illustration · Not a photograph — Representative exterior of Type 091 submarine

BSubmarines

Type 091 submarine

Nuclear submarine

AI-generated illustration · Not a photograph

Credit

ForceTally · AI-generated illustration · Not a photograph · AI-generated · OpenAI output terms · Source ↗ · Modified

First system

Second system

At a glance

Side by side

Length comparisonOne shared metre scale

Shallow Water Combat SubmersibleLength

6.8 m

Length source ↗

Type 091 submarineHulls 401, 402 Hulls 403, 404

98 m

Length source ↗

Lengths retain their source configuration and measurement scope.

Shallow Water Combat Submersiblelarger figure on 0 of 2

None

Type 091 submarinelarger figure on 2 of 2

Measured figures

Head to head

13 of 27 rows sourced on both sides

6.8m

98mHulls 401, 402 Hulls 403, 404

Length

All recorded figures & sources

6.8 m

Length

Single source

6.8 meters (22 ft)^[source]

98 m

Hulls 401, 402 Hulls 403, 404

Single source

Configuration

Details

Shallow Water Combat Submersible and Type 091 submarine configuration
Specification	Shallow Water Combat Submersible	Type 091 submarine
Range	—	Unlimited^[source]
Builders	Teledyne Brown Engineering^[source]	Bohai Shipyard , Huludao^[source]
Operators	United States Navy Royal Navy (planned)^[source]	People's Liberation Army Navy^[source]
Preceded by	SEAL Delivery Vehicle^[source]	—
Cost	$383 million (program cost)

On order	7 USN, 3 RN^[source]	—

Building	2^[source]	—

Completed	2^[source]	5^[source]

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

Propulsion	Lithium-ion batteries powering electric motors^[source]	Hulls 401, 402 1 x 48 megawatt nuclear reactor Hulls 403, 404, 405 1 x 58 megawatt nuclear reactor^[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]	Original SQZ-3 / Type 603 active sonar SQC-1 / Type 604 passive sonar Replaced with SQG-2B passive / French DUUX-5 / TSM2255 (export) sonar SQZ-262 integrated sonar^[source]