National Geographic : 1946 Sep
New Frontier in the Sky 385 - 0 U. S. Army. Official Huge Stabilizing Fins on a V-2 Rocket's Tail Hold It on a Predetermined Course Hydrogen peroxide, which generates steam to operate the fuel pumps of the rocket, is being pumped from the truck in the foreground into the V-2. One fuel tank carries 1,400 gallons of oxygen; the other 1,400 gallons of alcohol. Framework at left raises the rocket to its vertical launching position.