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World War II: V-2 Rocket


World War II: V-2 Rocket

V-2 Rocket during launch

Photograph Courtesy of the US Air Force



  • Length: 46 ft.
  • Wingspan: 11.7 ft.
  • Diameter: 5.4 ft.
  • Loaded Weight: 27,580 lbs.


  • Power Plant: Rocket
  • Range: 200 miles
  • Max Speed: 3,545 mph
  • Ceiling: 55 mi.


  • Warhead: 2,200 lbs. Amatol[/ul

V-2 Design & Development:

In the early 1930s, the German military began seeking out new weapons which would not violate the terms of the Treaty of Versailles. Assigned to aid in this cause, Captain Walter Dornberger, an artilleryman by trade, was ordered to investigate the feasibility of rockets. Contacting the Verein fur Raumschiffarht (German Rocket Society), he soon came in contact with a young engineer named Wernher von Braun. Impressed with the VfR's work, Dornberger recruited von Braun to aid in developing liquid-fueled rockets for the military in August 1932.

Commencing work with a team of 80 engineers at Kummersdorf, von Braun created the small A2 rocket in late 1934. While somewhat successful, the A2 relied on a primitive cooling system for its engine. Pressing on, von Braun's team moved to larger facility at Peenemunde on Baltic coast and launched the first A3 three years later. Intended to be smaller prototype of the A4 war rocket, the A3's engine lacked endurance and problems quickly emerged regarding its control systems and aerodynamics. Accepting that the A3 was a failure, the A4 was postponed while the problems were dealt with using the smaller A5.

The first major issue to be addressed was constructing an engine powerful enough to lift the A4. This became a seven-year development process that led to the invention of new fuel nozzles, a prechamber system for mixing oxidizer and propellant, a shorter combustion chamber, and a shorter exhaust nozzle. Next designers were forced to create a guidance system for the rocket that would allow it to reach the proper velocity before shutting off the engines. The result of this research was the creation of an early inertial guidance system which would allow the A4 to hit a city-size target at a range of 200 miles.

As the A4 would be traveling at supersonic speeds, the team was forced to conduct repeated tests of possible shapes for the A4. While supersonic wind tunnels were built at Peenemunde, they were not completed in time and many of the aerodynamic tests were conducted on a trial and error basis with conclusions based on informed guesswork. A final issue that was overcome was developing a radio transmission system which could relay information about the rocket's performance to controllers on the ground. Attacking the problem, the scientists at Peenemunde created one of the first telemetry systems to transmit data.


Early in World War II, Hitler was not particularly enthusiastic about the rocket program believing that the weapon was simply a more expensive artillery shell with a longer range. As the conflict progressed, Hitler warmed to the program and on December 22, 1942, authorized the A4 to be produced as a weapon. Though production was approved, thousands of changes were made to the final design before the first production missiles were completed in early 1944. Initially, production of the A4, now re-designated the V-2, was slated for Peenemunde, Friedrichshafen, and Wiener Neustadt, as well as several smaller sites.

This was changed in late 1943, after Allied bombing raids against Peenemunde and other V-2 sites erroneously led the Germans to believe their production plans had been compromised. As a result, production shifted to underground facilities at Nordhausen (Mittelwerk) and Ebensee. The only plant to be fully operational by war's end, the Nordhausen factory utilized slave labor from the nearby Mittelbau-Dora concentration camps. It is believed that around 20,000 prisoners died while working at the Nordhausen plant. During the war, over 5,700 V-2s were built at various facilities.

Operational History of the V-2:

Originally, plans called for the V-2 to be launched from massive blockhouses located at Éperlecques and La Coupole near the English Channel. This static approach was soon scrapped in favor of mobile launchers. Traveling in convoys of thirty trucks, the V-2 team would arrive at a staging area where the warhead was installed before towing it to the launch site on a Meillerwagen. There, the missile was placed on the launch platform, armed, fueled, and the gyros set. This set up took approximately 90 minutes and the launch team could clear an area in 30 minutes after launch.

This mobile system proved highly successful and up to 100 missiles a day could be launched by German V-2 forces. Also, due to their ability to stay on the move, V-2 convoys were rarely caught by Allied aircraft. The first V-2 attacks were launched against Paris and London on September 8, 1944. Over the next eight months, a total of 3,172 V-2 were launched at Allied cities including London, Paris, Antwerp, Lille, Norwich, and Liege. Due to the missile's ballistic trajectory and extreme speed, there was no effectively method for intercepting them.

V-2 attacks against English and French targets only decreased when Allied troops were able to push back Germans forces and place these cities out of range. The last V-2-related casualties in Britain occurred on March 27, 1945. Accurately placed V-2s could cause extensive damage and over 2,500 were killed and nearly 6,000 wounded by the missile.

Highly interested in the weapon, both American and Soviet forces scrambled to capture existing V-2 rockets and parts at the end of the war. In the conflict's final days, von Braun and Dornberger surrendered to American troops and assisted in further testing the missile before coming to the United States. While American V-2s were tested at the White Sands Proving Ground, Soviet V-2s were taken to Kapustin Yar. Working to develop more advanced rockets, von Braun's team at White Sands used variants of the V-2 up until 1952. The world's first successful large, liquid-fueled rocket, the V-2 broke new ground and was the basis for the rockets later used in the American and Soviet space programs.

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