The Air Force will not move forward with the Adaptive Engine Transition Program that would have refitted F-35 Joint Strike Fighter aircraft with a new engine and will instead pursue an engine core upgrade for the platform, Secretary Frank Kendall said. The Air Force was the only service interested in pursuing the AETP option, Kendall said, as there were questions about suitability for the Marine Corps and Navy variants of the jet. “There was some discussion about whether it was...
