Pratt & Whitney says its ground-test F-35 Joint Strike Fighter engines have logged more than 4,000 system development and demonstration hours. The F135 jet engine is slated to power the F-35 in flight tests to begin next year.
As with previous stealth aircraft unveilings, the Air Force’s imagery of the F-47 Next-Generation Air Dominance fighter has been doctored to keep adversaries guessing about its true shaping and design philosophy.