THE Duchess of Cornwall will be in Barrow to launch the new £1.2 billion (£1,200,000,000) nuclear submarine on June 8. The Duchess, the Commodore-in-chief of Naval Medical Services, will be the main guest among 400 VIPs due at BAE Systems for the naming and roll out of the 7,800 tonne Astute. Ten thousand people are expected to watch the black submarine emerge at the docks in Barrow next Friday.