I think what matters is size and complexity here, to invent the airplane or
is one thing to build on that another, but the B-29 or the Me-262 are individual engineering efforts worthy of discussion of highly complex merit.
For example the Whittle engine, the U.K.'s claim to inventing the jet.
It is not worth it in this debate because nobody uses centrigual turbines
they all use axial turbines which the germans invented.
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