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.
Whether the F-35 fighter will get new engines from the Air Force’s cutting-edge Adaptive Engine Transition Program is a question that needs to be resolved at the Defense Department level, Air Force Secretary Frank Kendall told lawmakers May 17—and he anticipates an answer in the ...