The F-35 Lightning II stealth fighter program of the US Armed Forces recently got an unwelcome update. Lot 18 and 19 contracts for the F-35’s F135 engines have been delayed six months to early 2026.

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 ...

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 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 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 ...