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 ...

“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 ...

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 ...

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 ...

WASHINGTON (Reuters) - The engine blade crack that prompted the U.S. military to ground all 51 F-35 fighter jets was over half an inch long, according to three sources familiar with the matter, but it ...

Lockheed Martin was granted a new $180-million Pentagon contract modification to its existing contract covering planning and production for the F-35 Joint Strike Fighter aircraft. Specifically, the ...

FORT WORTH (Reuters) - U.S. Defence Secretary Robert Gates threw his support behind Lockheed Martin's F-35 on Monday amid mounting speculation the new fighter could face cuts as part of future ...

The F-35 Lightning II fighter jet is the most expensive fighter procurement program in modern history. Pratt & Whitney, the engine manufacturer for the F-35 Lightning II stealth fighter jet, recently ...

After years of cost growth and schedule delays in its hardware and software modernization effort for the F-35 aircraft, known as Block 4, the Department of Defense (DOD) is in the process of ...

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 ...