DAYTON, Ohio--Pratt & Whitney's [RTX] Engine Core Upgrade (ECU) for the F-35 fighter's F135 engine is to have a critical design review (CDR) in August. After CDR, ECU is to undergo ground testing "late next year, and then from there flight testing in the 2030 time frame--we're on target," John Sneden, the Air Force Life Cycle Management Center's (AFLCMC) program acquisition executive for propulsion, told reporters on Monday at AFLCMC's annual industry days conference. In September 2024, the Defense Department…
