Tailsitter Airplanes...
During World War II, both Germany and the U.S.... ...esearch on airplanes that could take off and land vertically , which would eliminate the need for huge runways.... ...hat job. Aerospace engineers are still working on vertical takeoff and landing, but not by sitting on the cr...
https://www.neatorama.com/2012/06/13/tailsitter-airplanes-2/
