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 ...

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 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 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 ...

Developing a next-generation fighter aircraft is a decades-long endeavor. The evolving nature of technological advancement and real-world needs means that a successful fighter will receive years of ...