The Pratt & Whitney-made F135 engine has completed a preliminary design review for the F-35 Joint Strike Fighter's Engine Core Upgrade, putting the program on track to field by 2029, according to an announcement the company posted Monday. "Pratt & Whitney is upgrading the F135 engine with technology from multiple development programs to deliver increased capability and performance for the warfighter," Chris Johnson, vice president of Pratt & Whitney's F135 program, said in a news release . "Upgrading the F-35's...
