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

President Donald Trump on Thursday floated the idea of a supercharged F-35 called the F-55. He said this aircraft would have two engines because he doesn't like single-engine planes. Lockheed Martin's ...

How safe is the American stealth fighter?

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 ...

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 ...

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 ...