Feb 18 1958
From The Space Library
USAF revealed that an airflow speed of 32,400 mph had been attained for one-tenth of a second in a wind tunnel test at the Arnold Engineering Development Center, Tullahoma, Tenn., on an undisclosed date.
USAF revealed that an airflow speed of 32,400 mph had been attained for one-tenth of a second in a wind tunnel test at the Arnold Engineering Development Center, Tullahoma, Tenn., on an undisclosed date.