As futuristic aviation programs gain priority, the F-35—the only in-production, fifth-generation American fighter—is facing new headwinds. Fresh debate over its challenges and its potential in the coming months will shape its future role in the force. 
Pratt & Whitney's F100 engine debuted in 1972 and continues to power F-15 and F-16 jets for the U.S. Air Force and allied militaries around the globe. Josh Goodman, who leads the F100 program at Pratt & Whitney, and Nick “JDAM” Graham, a former U.S. ...
The F-35 Joint Program Office has officially announced plans to issue multiple sole-source contracts to Pratt & Whitney to upgrade the fighter’s F135 engine—a widely expected move after Pentagon officials indicated they would do so earlier this year instead of developing an entirely new engine.