Trump wants an F-35 stealth fighter with two engines because he doesn't like single-engine planes. He wants to call this new twin-engine F-35 the F-55. A former F-35 program manager told BI that this ...

President Trump described the F-55 as a substantial upgrade over the F-35, together with the ongoing upgrades to F-35 and F-22. U.S. President Donald Trump is currently on a tour in the Middle East, ...

PARIS—A key milestone for the Pentagon’s program to upgrade the F-35 engine has been pushed back a year, raising questions about the overall timeline of the effort. The engine upgrade will reach ...

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 ...

Pratt & Whitney is under contract to deliver 141 F135 engines for the 18th lot of F-35s. (Rick Goodfriend/Air Force) The U.S. Navy on Friday awarded Pratt & Whitney a contract modification worth up to ...

A longevity, thrust and fuel efficiency upgrade for the Lockheed Martin F-35 has passed a preliminary design review (PDR) milestone, Pratt & Whitney says. The announcement was made July 15. The F135 ...

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 ...

Lockheed Martin's F-35 stealth fighter is equipped with the world's most powerful fighter engine. It only has one of them, though, and President Donald Trump wants it to have two. That's no small ...