It's been over a 100 years since the Wright brothers' first flight. During this time, we learned to cross the boundaries: we cross the oceans, we fly into space, and we even contact the surface of another world. This is all thanks to the tremendous effort of engineers, designers and, of course, large money. The most costly serially produced aircraft has taken 2 billion dollars (per piece!) from the US budget... and this is not the only evidence holder on our list.
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