The Royal Marine VSV is a

Very Slender Vessel A Very Slender Vessel (VSV) is a high-speed, wave-piercing craft. It is designed to give a comfortable ride over long, high-speed transits in high seas. Normal boats travelling at high speed in rough seas can produce a very uncomfortable ride wi ...

in British service. A small number of the craft were built for service with the

Royal Marines The Corps of Royal Marines (RM), also known as the Royal Marines Commandos, are the UK's special operations capable commando force, amphibious light infantry and also one of the five fighting arms of the Royal Navy. The Corps of Royal Marine ...

and Special Boat Service. They were built in two versions, known as the VSV 16m 145 class and the follow-up version, the VSV 22m.

References

{{reflist Royal Marines