Can a sports car be transformed into a monster truck simply by mounting a second engine? That’s the sort of engineering paradox now making the rounds in the U.S. defense community, with recent plans ...

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 $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 ...

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 ...

A longevity, thrust and fuel efficiency upgrade for the Lockheed Martin F-35 has passed a preliminary design review (PDR) milestone, Pratt & Whitney says. The announcement was made July 15. The F135 ...

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 U.S. Dept. of Defense awarded $670.2-million to Pratt & Whitney, for procuring components and materials needed for manufacturing F135 propulsion systems. This award follows a $2.8-billion contract ...

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 ...