The Navy has awarded a $2 billion contract that will run into 2020 to provide spares and repair parts for the service fleet of more than 500 MH-60 Seahawk helicopters.The contract was awarded to Maritime Helicopter Support Company (MHSCo), a joint venture between Lockheed Martin [LMT] and Sikorsky, a division of United Technologies [UTX]. Lockheed Martin supplies the avionics for the Seahawks, while Sikorsky is the airframe maker.The venture was formed on a performance-based model, which pays it for every…