Pratt & Whitney officials say the company’s F135 Joint Strike Fighter engine has been cleared to power the F-35 Lightning II on its first flight. The F135 has achieved initial flight release from the F-35 joint program office after completing all tests and verification reports, according to an Oct. 23 company statement. The engine will power the F-35 conventional take-off and landing version. The F135 has amassed more than 6,000 hours in ground engine runs and completed full afterburner tests. Taxi tests are slated for later this fall.
Where Things Stand with Every Planned V-22 Fix
Feb. 11, 2026
The Air Force’s CV-22 Osprey fleet started receiving new proprotor gearboxes last month—and officials say they’re planning a comprehensive midlife upgrade for the V-22 to address concerns over its safety and reliability.
