As part of BAE Systems Marine, the yard constructed surface ships, such as the Albion-class landing platform docks.

[2] Since its completion in 1986, submarines at Barrow are constructed inside the Devonshire Dock Hall (DDH).

In addition to the main shipyard in Barrow-in-Furness, BAE Systems Submarines also operates from sites at Farnborough, Ash Vale, Frimley and Weymouth.

[4] The order for the initial batch of three submarines was placed in 1997, with Marconi Marine (VSEL), which was absorbed into BAE Systems in 1999.

[7] A "significant fire" at the Barrow-in-Furness facility in October 2024 caused two people to be hospitalised for smoke inhalation; Cumbria Constabulary said there was no nuclear risk.