http://creativecommons.org/publicdomain/zero/1.0/deed.enCC0Creative Commons Zero, Public Domain Dedicationfalsefalse
Captions
The A-7 rocket engine propelled Redstone rockets using oxygen and 75% ethyl alcohol. It is made mostly of steel, the bell being double-walled and cooled by fuel. This photo was taken at the Pisgah Astronomical Research Institute.