jet 178The Heinkel He 178 was an experimental aircraft desned and produced by the German aircraft manufacturer Heinkel. It was the world's first aircraft to fly using the thrust from a turbojet engine. The He 178 was developed to test the jet propulsion concept devised by the German engineer Hans von Ohain during the mid-1930s. Having secured the in…Johnson's Trump denied that a luxury jet offered to him by Qatar's royal family is a bribe because they haven't asked for anything in return,