Welcome to Warbird Wednesday! Today we’re visiting the first-fixed wing aircraft designed to avoid radar detection, the Lockheed Have Blue. The shape of Have Blue was based on, the Soviet Physicist and Mathematician, Petr Ufimtsev published work on the deflection of electromagnetic waves. This, proof-of-concept test stealth aircraft, was requested by DARPA and would later render Soviet air defenses useless as the concept became reality in the legendary F-117 Nighthawk.