November 3, 1990

1990: With Lockheed test pilot Dave Ferguson at the controls, the YF-22A Advanced Technology Fighter (ATF) prototype, configured with General Electric YF120 prototype turbofans, becomes the first fighter aircraft in history to achieve sustained supersonic flight without employing afterburner. The aircraft attained a “supercruise” speed of Mach 1.58 at 40,000 feet.