A U.S. Air Force 354th Aircraft Maintenance Squadron crew chief tows an F-35A Lightning II at Kadena Air Base, Japan on Aug. 7 (U.S. Air Force Photo)
RTX‘s [RTX] engine subsidiary Pratt & Whitney said that it has established firewalls between its F135 Engine Core Upgrade (ECU) for the Lockheed Martin [LMT] F-35 fighter and the Enhanced Power and Cooling System (EPACS) design effort by one other RTX subsidiary,…