The study, reported in 'The News' by Chris Broom, was commissioned by local council and business leaders to examine three alternative futures for Portsmouth Naval Base at a time when its shipbuilding future is in doubt. In the worst case scenario, if BAE Systems was to pull out, it would have a massive knock-on effect on the area – resulting in huge job losses, and a hit to the region’s economy of £370m a year. BAE employs 1,500 ship builders in Portsmouth and a further 1,500 people working on the maintenance and repair work it does for the navy’s surface fleet. But the report – commissioned by the Partnership for Urban South Hampshire (PUSH)…