US Shipyard HII Expands in UK to Service Growing Europe UUV Business

US shipbuilder HII expands UK unmanned maritime vehicle support facility

Since 2001, the UK Ministry of Defence has procured REMUS 100, REMUS 300 and REMUS 600 vehicles for mine countermeasure [MCM] missions.

US shipyard HII expands in UK to service growing Europe UUV business

The enlarged HII site in Portchester, England, will now be able to assemble the company’s Remus 620 medium-class modular unmanned underwater vehicles.

HII facility expansion reinforces support for Royal Navy uncrewed systems - Navy Lookout

HII is expanding its facility at Portchester near Portsmouth, doubling the site’s footprint as part of a long-term commitment to supporting RN and European customers’ uncrewed operations from the UK. The move strengthens local sustainment, training and integration capacity while creating a modest number of new skilled jobs. The enlarged Portchester site has increased by […] The post HII facility expansion reinforces support for Royal Navy uncrew…

HII Expands European Unmanned Operations with New Facility in Portchester, UK

PORTCHESTER, United Kingdom, Jan. 12, 2026 (GLOBE NEWSWIRE) -- HII (NYSE: HII), the world’s leading manufacturer of autonomous surface and underwater...

HII expands UK drone vessel operations hub at Portchester

US defence firm HII has doubled the size of its unmanned systems facility in Portchester, Hampshire, strengthening its long-term presence in the UK and positioning the site as a European hub for autonomous maritime operations. The expanded facility will support the Royal Navy and European partners operating HII’s REMUS family of unmanned underwater vehicles, while also preparing for the introduction of the company’s ROMULUS uncrewed surface vess…

HII doubles Portchester unmanned facility to support UK Royal Navy and European customers

HII said the Portchester site will also act as a European hub for its Mission Technologies division, providing collaborative customer support for U.S. combatant commands and allied missions. The facility will deliver operational, technical and logistics support for electronic warfare, C5ISR systems, fleet modernisation, artificial intelligence capabilities and live, virtual and constructive training. The company said the facility will also prepa…