RTX Corporation's (RTX) business division, Pratt and Whitney Military Engines, recently secured a modification contract valued at $405.3 million. The latest modification will enable RTX to procure spares to produce and deliver the F135 propulsion system for the F-35 fighter jet. The contract will serve the U.S. Air Force, Marine Corps, Navy, non-Department of Defense participants, F-35 Cooperative Program Partners and foreign military sales customers. The majority of work related to this award will be carri ...