GOSPORT, UK - Vector Aerospace has signed a contract with a major European government for the overhaul of Rolls-Royce T56 turboprop engines. The contract, which has a multi-year term, covers the overhaul of T56 engines, modules, components and accessories. The Rolls-Royce T56/501-D engine is installed on a variety of aircraft, including Lockheed Martin's C 130/L-100 Hercules transport family and P-3 Orion anti-submarine warfare platform, as well as Northrop Grumman's E-2 Hawkeye early warning aircraft.