June 1 (UPI) -- The U.S. Navy is exercising an option in its contract with Rolls-Royce, awarding the company $28.3 million for engines for the V-22 Osprey tiltrotor aircraft.
Rolls-Royce will deliver 15 production AE1107C engines, including seven for the Marine Corps, six for the Navy and two for the Air Force, the Defense Department said Thursday.