The supplied article text contains no reporting beyond the headline, as the page requests that JavaScript and cookies be enabled. On the information available, it says that investment connected to nuclear submarines is expected to create hundreds of jobs in Sheffield and has the backing of Greater Manchester mayor Andy Burnham.

The page provides no further details about the scale or source of funding, which employers or projects are involved, the number of jobs, or the timing. As a result, the wider economic and defence implications cannot be assessed from the supplied text alone.