A joint venture of Boeing Co  and Bell Helicopter, a unit of Textron Inc, has been awarded a $4.2 billion modification to a previously awarded contract for V-22 tiltrotor aircraft, the Pentagon said on Friday.

The contract provides for the manufacture and delivery of 39 CMV-22B aircraft for the Navy, 34 MV-22B aircraft for the Marine Corps; one CV-22B for the Air Force; and four MV-22B aircraft for the government of Japan, the statement said.

Source: reuters.com