"We produce a number of composite structures for the Royal Navy’s Astute class submarines. Products include rudders, hydroplanes, propulsor ducts, sonar housings and periscope fairings...
The composite Mk8 Mod 1 Type 45 Destroyer gunsheild not only provides significant weight saving over its metallic equivalent but also impressive resistance to impact and the effects of saltwater...
Marshall has been manufacturing torpedo launch tubes for a variety of lightweight torpedoes since the 1960s, for the Royal Navy and US navy, as well as a number of export navies".