The latest phase of the upgrade to Rolls-Royce's Raynesway factory in Derby will officially open later today.
The firm secured a £1 billion contract from the Ministry of Defence in June to build reactors for the next generation of nuclear submarines.
Atlantic House will be officially opened by HRH the Duke of Kent.
More top news
Some showers at first this evening, gradually clearing overnight. Tomorrow, a mostly dry day but with a few showers.
A good deal of cloud this evening and overnight, with showery outbreaks. Tomorrow, generally cloudy, with some sunny intervals.
A transgender teen from Gloucester has told ITV News how he plans to freeze his eggs before his sex change in order to have children.