VIVAERO F135 engine core upgrade clears major design review milestone Pratt & Whitney, an RTX business, has successfully completed the F135 Engine Core Upgrade (ECU) Risk Reduction Design Review (RRDR), a major programme milestone that validates the maturity of the ECU design and advances the program toward production. The review evaluated the detailed design elements, propulsion technologies, integration considerations and risk-reduction activities critical to delivering full engine life and providing the additional power and thermal management capacity needed to support advanced sensors, weapons and other Block 4 and beyond capabilities across all three F-35 variants. The review further assessed the industrial base's readiness to support future production and retrofit. "Completing RRDR is an important milestone that demonstrates the maturity of the F135 Engine Core Upgrade and the progress our team is making to deliver this capability to the warfighter," said Jill...
