The FAA has a loophole that allows pilots to fly ultralight aircraft without a license. The planes must meet specific weight and speed requirements to qualify.
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1950s Insane VTOL Jet Fighter - Lockheed CL-346

This lockheed concept jet can not only fly at Mach 2.2, but land vertically using 1950s engine technology. It would have been ...
Shield AI and GE Aerospace have signed a memorandum of understanding to power the developmental X-Bat unmanned vertical ...
The F110-GE-129 afterburning turbofan will be equipped with the Axisymmetric Vectoring Exhaust Nozzle to provide thrust ...