The end of the Cold War and subsequent decrease in military spending saw high unemployment in the town through lack of contracts; despite this, the BAE Systems shipyard remains operational as the UK's largest by workforce (9,500 employees in 2020) and is now undergoing a major expansion associated with the submarine programme. Today Barrow is also a hub for energy generation and handling. Offshore wind farms form one of the highest concentrations of turbines in the world, including the second largest offshore farm, with multiple operating bases in Barrow.