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Stealthy diver delivery boat transforms into a submarine
Currently being developed by UK firm SubSea Craft, VICTA measures 11.95 meters long by 2.3 m wide (39.2 by 7.5 ft), and seats six divers plus a pilot and a navigator. Its matte black composite hull is made of carbon fiber with a Diab foam core, for a good strength-to-weight ratio.
When first setting out on a mission, VICTA moves quickly across the surface like a regular boat. In this mode, it's powered by a customized Seatek 725+ diesel engine which outputs 725 bhp to a set of Konsberg Kamewa water jets. In its final form, it should have a top surface speed of 40 knots (46 mph or 74 km/h), a cruising speed of 30 knots (35 mph or 56 km/h) and a fuel range of 250 nautical miles (288 miles or 463 km).
Once it needs to get stealthy, VICTA stops and floods its cabin, submerging within two minutes. It then becomes a "wet sub," meaning that its occupants are immersed in water, and are wearing dive gear. The divers and crew all breathe from an onboard open circuit air system, so the divers don't deplete the air supply in their tanks – the onboard system should keep all eight people breathing for four hours.