Key Points and Summary - The F-35 program is under intense pressure due to severe problems with its critical Block 4 modernization. -The new TR-3 hardware, the foundation for the upgrade, is late, ...

WASHINGTON (Reuters) - U.S. officials said on Wednesday they were nearing a fix for the engine that powers Lockheed Martin Corp's F-35 fighter jet and the United Technologies Corp unit that makes the ...

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 ...

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 ...

The F-35 was not built to win dogfights, but to operate smoothly at long ranges and over long periods of time. The F-35 is often compared to the F-16 or the F-22, nimble aircraft with world-class ...

Pratt & Whitney is cleared to proceed with procurement and planning for about 270 more F135 turbofan propulsion systems - ...