At the end of World War II came to an end and career military aircraft with piston engine. There were early designs do not require screws to be lifted into the air. Jets have evolved on both sides of the front and everywhere work on them attached great importance, because they are open to the air entirely new horizons. The development of some of these machines has advanced so far that they could take part in battles in recent months of war. The most famous of them was the Messerschmitt Me 262 Schwalbe («Swallow") – the last hope of the Third Reich to overcome the superiority of the Allies in the air. The outcome of the war this aircraft, of course, has not changed, but he opened up entirely new era in aviation history – the age of jet.