Key Points - The F-35's Engine Core Upgrade (ECU), a critical component of the broader Block 4 modernization, has been delayed by at least a year, pushing its key Critical Design Review to mid-2026.

“F-35I has been a key and highly effective leading edge capability across the overall Israeli air campaign at every phase,” said the Royal United Services Institute’s Justin Bronk, looking back on ...

The $2.8B contract funds 141 F135 engines for U.S. services and allies, securing production, spares, and upgrades through February 2028. Pratt & Whitney has been awarded a major contract, valued at ...

The F-35 program is delaying some of its planned Block 4 upgrades as it focuses on delivering capabilities as early as 2031. (A1C Eli Rose/Air Force) The F-35 Joint Strike Fighter program is scaling ...

Aviation system manufacturer Honeywell says it can deliver significant improvements to onboard power generation for the Lockheed Martin F-35 stealth fighter, even without installing new hardware on ...