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Small-lift launch vehicle


A small-lift launch vehicle is a rocket orbital launch vehicle that is capable of lifting up to 2,000 kg (4,400 lb) of payload into low Earth orbit (LEO).

The first small-lift launch vehicle was the Sputnik rocket, it put into orbit an unmanned orbital carrier rocket designed by Sergei Korolev in the Soviet Union, derived from the R-7 Semyorka ICBM. On 4 October 1957, the rocket was used to perform the world's first satellite launch, placing Sputnik 1 satellite into a low Earth orbit. The USA responded by launching the Vanguard rocket, that was intended to be the first launch vehicle the United States would use to place a satellite into orbit. Instead, the Sputnik crisis caused by the surprise launch of Sputnik 1 led the U.S., after the failure of Vanguard TV3, to quickly orbit the Explorer 1 satellite using a Juno I rocket launched on January 31, 1958. Vanguard I was the second successful U.S. orbital launch. Thus started the space race, that gave the drive to put men on the moon with the USA's Apollo program.

It could be said the space race between United States and the Soviet Union started at the end of World War II, as a race began to retrieve as many V-2 rockets and Nazi Germany V-2 staff as possible. Three hundred rail-car loads of V-2 rocket weapons and parts were captured and shipped to the United States, also 126 of the principal designers of the V-2, including Wernher von Braun and Walter Dornberger, went to America. Von Braun, his brother Magnus von Braun, and seven others decided to surrender to the United States military in Operation Paperclip to ensure they were not captured by the advancing Soviets or shot dead by the Nazis to prevent their capture. Thus the V-2 program started the space race, the V-2 could not orbit, but could reach a height of 88 km (55 mi) on long range trajectory and up to 206 km (128 mi) if launched vertically.


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