United Kingdom, July 6 -- Rolls-Royce Submarines has officially 'broken ground' and started foundational work on its new manufacturing facility, as part of plans to double the size of its entire Raynesway site in Derby.This wider expansion activity will help meet the increased demand from the UK and Australian Royal Navies to boost manufacturing output for current and future submarine programmes. It will see over 100,000m2 of new manufacturing and office facilities being built and create 1,170 skilled roles across a range of disciplines, including manufacturing and engineering.The ceremonial event saw the Minister of State for Defence Lord Coaker, Rolls-Royce Submarines President Abi Clayton, and Commodore Alistair Moody, Director for Nucle...