Although experiments were ongoing through 1930's the first jet to appear in the war was the German Me262 in 1944. Shortly afterwards, the Gloster Meteor came on the scene, but saw action for only a few months before hostilities ceased.
Assenbled engines and parts.
Technology during World War II opened up an entirely new door into what the enemy was doing in areas in which they were once hidden. New pesticides, nuclear technology, and jet engines made the fight faster than it had been in the first World War.
car manufacture was suspended during war
Aircraft engines in WWI made a growling and barking sound, during an air-battle it sounded like dogs barking. This gave way to the use of the term dogfight to refer to air battles.
made aircraft engines for aircraft like the spitfire and so on
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During the war BMW made Engines for Planes. The Black+Blue, The blue indicates the sky and the black is the Papellas
soldiers
usa
during world war 2
they made propagando films
Chicago, Illinois was a center for jazz music during World War 1.