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.
The head of AIr Combat Command isn't sure the cost of operating the F-35 will hit the desired $25,000 per hour by 2025, and he's headed out to meetings to see what can be done to make it happen. He's also concerned that China will beat the U.S. to 6th-generation…