The Navy has identified nine business units of large defense firms that have provided superior performance and best value in carrying out acquisition contracts, the service said Friday. The Navy evaluated over a three-year period the performance of the business units to determine the winners under a new Superior Supplier Incentive Program, which is designed to be an annual exercise to incentivize companies to improve while striving to make the list, Sean Stackley, the Navy’s acquisition chief, told reporters. Stackley…