The Navy awarded Lockheed a $133 million contract modification to continue providing F-35 flight test support for U.S. military services.

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Pratt & Whitney is under contract to deliver 141 F135 engines for the 18th lot of F-35s. (Rick Goodfriend/Air Force) (Rick ...

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 ...

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 ...

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 ...