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Mark 8 Mod 1 SEAL Delivery Vehicle

The SEAL Delivery Vehicle MK VIII was developed by the United States UDT (Underwater Demolition Team) / SEAL teams as a reusable, submersible underwater vehicle. As a submersible underwater vehicle, the SDV can carry SEALs and their equipment, increasing mission time while the swimmers personal energy level is maintained for the operation ahead.
Mark 8 Mod 1 SEAL Delivery Vehicle Copyright © Chief Photographer's Mate Andrew McKaskle, U.S. Navy

Status

In active service

Complement

2 Operators

Capacity

4 Navy SEALs

Characteristics

Dimensions
Length: 4.69 meters 15.4 feet
Beam: 1.89 meters 6.2 feet
Features
Propulsion: one rechargeable silver-zinc battery-powered motor, one shaft
Speed: 18 knots (33.34 kilometers per hour) (20.71 miles per hour)