NASA/Army Celebrate 50 Years of Rotorcraft Collaboration
U.S. helicopters, military and civilian, are safer and more efficient today in part because of a research partnership established 50 years ago between the U.S. Army and NASA.
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U.S. helicopters, military and civilian, are safer and more efficient today in part because of a research partnership established 50 years ago between the U.S. Army and NASA.
[…]