D” is not an official aircraft but a catch-all name for various proposed upgrades. -Past concepts included a canceled ...

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 ...

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 controversial F-35 program got its start in 1997 when Lockheed Martin was awarded a $750 million contract to build a next-generation prototype fighter jet that could replace many of the aging ...

WASHINGTON (Reuters) - The Pentagon said on Wednesday that no additional cracks have been found on F-35 fighter engines during inspections begun after the February 19 incident that halted flights of ...

Pratt & Whitney is under contract to deliver 141 F135 engines for the 18th lot of F-35s. (Rick Goodfriend/Air Force) The U.S. Navy on Friday awarded Pratt & Whitney a contract modification worth up to ...

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, Dec 15 (Reuters) - The costliest international warplane project, the F-35 Lightning 2 Joint Strike Fighter, safely completed its first test flight on Friday, advancing a $276.5 billion ...

RTX‘s Collins Aerospace said on Feb. 18 that its Enhanced Power and Cooling System (EPACS)–the company’s proposed replacement for the F-35 fighter’s current Power and Thermal Management System ...