It signposts the UK’s commitment to the continuous at sea nuclear deterrent and Rolls-Royce’s continuing dedication to the UK Royal Navy and the Defence Nuclear Enterprise. Rolls-Royce has secured the largest ever contract with the UK Ministry of Defence in its history. Rolls-Royce has secured a landmark partnership with the Ministry of Defence to develop a fleet of nuclear-powered submarines, in a project worth £9 billion (US$11.2bn).