Adaptive cycle engines are specially designed to alternate between efficiency and raw power—extending an aircraft’s range without compromising on speed during engagements. The modern fighter jet is ...

“Full technology transfer in fighter jet engines is like handing over the crown jewels of aerospace engineering,” one top Indian defense official said last year. That crown is now in India’s hands.

The US Air Force is funding development of adaptive-cycle turbofans under the Next Generation Adaptive Propulsion programme. GE Aerospace and Pratt & Whitney (P&W) have advanced their designs for ...