Add Yahoo as a preferred source to see more of our stories on Google. Trump wants an F-35 stealth fighter with two engines because he doesn't like single-engine planes. He wants to call this new ...

United Technologies Corp.'s Pratt and Whitney unit is chronically late delivering engines for the Pentagon's costliest program, the F-35, raising questions about whether the company is ready for a ...

Historic engine debut: Turkey showcased the 42,000-lbf Güçhan turbofan at SAHA 2026, rivaling top global fighter jet engines. Strategic independence push: The engine could power KAAN stealth fighters ...

The U.S. Dept. of Defense made a $2.88-billion award to Pratt & Whitney in a modification to a prior contract for manufacturing 141 more F135 engines. Those engines are the power source for the F-35 ...

The F135 is the single engine powering all three variants of the F-35 Joint Strike Fighter, for the U.S. Air Force, U.S. Marine Corps, and U.S. Navy, and the defense forces of 19 allied nations. The ...

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 ...

If you are an investor in United Technologies stock -- or in Lockheed Martin for that matter -- I've got some good news for you, and some bad news, too. The good news: As of today, it's been more than ...