Add Yahoo as a preferred source to see more of our stories on Google. DAYTON, Ohio — The future of the U.S. military’s Adaptive Engine Transition Program is still up in the air, but one service is ...

Pratt & Whitney shared a new video about the XA103 engine, with a computer-generated rendition of what could be an ...

The U.S. Air Force's top civilian is having second thoughts about a recent choice for the Joint Strike Fighter. (Senior Airman Alexander Cook/U.S. Air Force) WASHINGTON — U.S. Air Force Secretary ...

A Pratt & Whitney F135 engine, used to power the F-35 Lightning II fighter aircraft, undergoes testing at Arnold Air Force Base in Tullahoma, Tenn. (Pratt & Whitney) WASHINGTON — Choosing to replace ...

The US Air Force (USAF) will spend nearly $5 billion over 10 years to develop an engine for its future generation of air superiority fighters. The US Department of Defense (DoD) said on 19 August that ...

The Air Force is ditching its plans to develop a new engine for its F-35 fleet and will instead upgrade the existing Pratt & Whitney engines so the planes have enough power to use future weapons. The ...

The U.S. Air Force has awarded General Electric (NYSE: GE) a potential $203 million undefinitized contract action for technology maturation and risk reduction support and a $99.5 million contract to ...