Pratt & Whitney workers producing F-35 rejected a contract offer amid broader financial pressures and operational ...

To the chagrin of Pratt & Whitney’s rivals, the only jet engine the F-35 family has flown with is the F135 turbofan engine. The F135 is well known for its 28,000 lbf (125 kN) of dry thrust and ...

The F-35 Lightning II is primarily manufactured by Lockheed Martin, but other industry leaders help with its development, ...

[Courtesy: USAF] The U.S. military’s advantage in fighter jet propulsion is “essentially stagnating” without a new replacement engine for the Lockheed Martin F-35 Lightning II Joint Strike ...

Rolls-Royce had previously participated in various airplane projects, developing numerous engines that powered some of the finest aircraft in the U.S. military. However, with the F-35, the company ...

Concerns have grown over the Air Force's planned purchase of 40 Lockheed Martin F-35 stealth fighters after reports of a "catastrophic engine failure." The U.S. Air Force unveiled results of an ...

Could the U.S. Air Force's plan to retrofit its F-35 fleet with new propulsion systems undermine the jet fighter's much vaunted interoperability?

Pieces of a fractured engine rotor arm “cut through the engine ... an operational aircraft to the fleet,” a report from the F-35 JPO said. Scott Taylor, lead mechanical engineer for ...

An F-35 in “beast mode” can lug an extra 22,000 pounds of internal and external weapons. The American-made F-35 Lightning II platform is perhaps the most coveted fifth-generation platform in ...

The Pratt & Whitney F119 powers the first operational fifth-generation fighter and represents the forefather to the more advanced F135 engine powering the F-35 Lightning II. It combines stealth ...

The US Air Force calls it the “Frankenjet,” a stealth fighter stitched together from the parts of two F-35s wrecked in accidents that is now on duty and combat ready.