The F-35 program originally aimed to have Block 4’s 66 capabilities — which later swelled by more than a dozen — completed by ...

The president pitched plans on Thursday for a supercharged version of the F-35 with two engines, which would likely require building a new aircraft.

The F-35 Lightning II’s latest modernization package is now delayed by at least two years. According to a report issued by ...

The $2.8B contract funds 141 F135 engines for U.S. services and allies, securing production, spares, and upgrades through ...

Pratt & Whitney, the engine manufacturer for the F-35 Lightning II stealth fighter jet, recently received $3 billion to build hundreds of new engines for the aircraft.

On average, new F-35s were 238 days late last year, a watchdog found, while the builder collected “hundreds of millions” in ...

These engines will go into the 18th lot of F-35 fighters being built by Lockheed Martin, largely at its facility in Forth ...

The jet engine builder is under contract to supply more than 140 F135s for an upcoming production series of Joint Strike Fighter aircraft, ...

F-35 engine upgrade hits delay, casting doubt on timeline Critical design review has been pushed back a year, according to Pratt & Whitney.

The second engine for the F-35 Joint Strike Fighter has long been viewed by good-government groups as the prime example of government spending and pork barrel politics run amok.

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 ...