National Security Journal on MSN

X-20: A Spaceplane That Could Have Been ‘Dropped’ from a B-52 Bomber

Decades before the Space Shuttle, the U.S. backed the X-20 Dyna-Soar: a reusable, skip-glide spaceplane born from WWII German concepts and accelerated by the Sputnik shock. -Boeing’s delta-wing craft ...