Some had been tested before 1939. WWII was the moment they proved they belonged on almost every aircraft that followed.
In the summer of 1943, behind a guarded circus tent at Lockheed’s Burbank factory, a handpicked team led by Kelly Johnson raced against time to build a jet fighter the public was never meant to see.
May 1945. The war ends, and the Luftwaffe collapses overnight. Across Europe, thousands of German aircraft sit abandoned, from classic[...] ...
The Junkers Ju 87 or Stuka (from Sturzkampfflugzeug, "dive bomber") was a German dive bomber and ground-attack aircraft.