Trump's talking about a twin-engine F-35. It sounds like this F-55 would be a whole new plane.

The president pitched plans on Thursday for a supercharged version of the F-35 with two engines, which would likely require ...

Lockheed, RTX, and Northrop won nearly $844 million from the Pentagon, and the timing says a lot about America’s defense machine

The Pentagon just dropped $844M on F-35 tech. But what is the hidden environmental cost of America’s latest defense spending ...
American Machinist

Pentagon Awards $370M for Future F-35 Engines

The F135 is the single engine powering all three variants of the F-35 Joint Strike Fighter, for the U.S. Air Force, U.S. Marine Corps, and U.S. Navy, and the defense forces of 19 allied nations. The ...
Jane's Information Group

Pentagon seeks F-35 engine options

The Pentagon is considering Lockheed Martin F-35 Lightning II Joint Strike Fighter (JSF) engine options due to the propulsion system's difficult sustainment and an expected need for better performance ...