https://www.youtube.com/watch?v=6uAaoELo3oU

On December 14, 1999, Boeing engineers unveiled their newest concept demonstrators: the X-32A and X-32B. Built in record time, the latter was capable of short take-off and vertical landing, and was developed with digital design and assembly methods.In 2001, Boeing’s prototypes went head-to-head to win the Defense Advanced Research Projects Agency’s massive Joint Strike Fighter contract.The JSF was a program developed to find a new military aircraft that could replace a wide range of existing warplanes with a new strike fighter. If it prevailed, Boeing’s prototype would become one of the most advanced aircraft ever built for military service, even if its ungainly appearance was at odds with its performance…—