General Electric and Pratt & Whitney have been awarded contracts totaling more than $680 million to demonstrate variable-cycle fighter engines under the U.S. Air Force Research Laboratory’s (AFRL) Adaptive Engine Technology Development (AETD) program. AETD is the follow-on to AFRL’s $524 million Adaptive Versatile Engine Technology (Advent) program, under which GE Aviation and Rolls-Royce Liberty Works will run adaptive-fan engine demonstrators next year. GE has been awarded ...


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