Class overview | |
---|---|
Builders | Teledyne Brown Engineering[3] |
Operators | United States Navy Royal Navy (planned) |
Preceded by | SEAL Delivery Vehicle |
Cost | $383 million (program cost)[1] |
On order | 7 USN, 3 RN[4][5] |
Building | 2[2] |
Completed | 2[2] |
General characteristics | |
Type | Submersible, diver propulsion vehicle |
Displacement | 4.5 tonnes (5.0 short tons)[3] |
Length | 6.8 meters (22 ft)[3] |
Beam | 1.5 meters (4.9 ft)[3] |
Draft | 1.5 meters (4.9 ft)[3] |
Propulsion | Lithium-ion batteries powering electric motors |
Speed | 6 kn (11 km/h) |
Endurance | 12 hours[6] |
Test depth | >190 feet (58 m)[6] |
Complement | 6 (2 crew, 4 passengers)[3] |
Sensors and processing systems | Inertial navigation system, high-frequency sonar for obstacle/mine avoidance and navigation, GPS |
Armament | SEAL team personal weapons, limpet mines |
The Shallow Water Combat Submersible (SWCS) is a crewed submersible and a type of swimmer delivery vehicle that is planned to be used to deliver United States Navy SEALs and their equipment for special operations missions. It will replace the current Mark 8 SEAL Delivery Vehicle. The Navy planned to introduce the SWCS in 2018,[7] although "slippage in the development"[8] has delayed its introduction until 2019. In 2020, the U.S. Navy stated that it was undergoing sea trials and testing.[2][9] As of October 2018[update], two subs have been delivered to the Navy while another two were in production.[2] The SWCS will serve alongside the Dry Combat Submersible (DCS), a midget submarine with a dry interior being developed by Lockheed Martin as a replacement for the cancelled Advanced SEAL Delivery System (ASDS).[8]: 7
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