Northrop YF-23: The Stealth Fighter The Air Force Said No To (Mistake?)
The YF-23 was a stealth fighter demonstrator that gave the F-22 a run for its money when both were tested for service in the U.S. Air Force and went head to head for a massive contract.
Mcdonnell Douglas Northrop Mcdonnell Douglas Us Air Northrop Grumman Lockheed Martin Government Accountability Office
Source: nationalinterest.org