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The R-7 Semyorka, the first intercontinental ballistic missile, becomes operational at Plesetsk, USSR.
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R-7 Semyorka
First Intercontinental ballistic missile
The R-7 Semyorka was a Soviet missile developed during the Cold War, and the world's first intercontinental ballistic missile. The R-7 made 28 launches between 1957 and 1961. A derivative, the R-7A, was operational from 1960 to 1968. To the West it was unknown until its launch.…Source: Wikipedia (CC BY-SA)
Intercontinental ballistic missile
Ballistic missile with a range of more than 5,500 kilometres
An intercontinental ballistic missile (ICBM) is a ballistic missile with a range greater than 5,500 kilometres (3,400 mi), primarily designed for nuclear weapons delivery. Conventional, chemical, and biological weapons can also be delivered with varying effectiveness but have…Source: Wikipedia (CC BY-SA)
Plesetsk
Urban locality in Arkhangelsk Oblast, Russia
Plesetsk is an urban locality and the administrative center of Plesetsky District, Arkhangelsk Oblast, Russia, situated about 800 kilometers (500 mi) northeast of Moscow and 180 kilometers (110 mi) south of Arkhangelsk. Municipally, it is the administrative center of Plesetskoye…Source: Wikipedia (CC BY-SA)
Soviet Union
Country in Eurasia (1922–1991)
The Union of Soviet Socialist Republics (USSR), commonly known as the Soviet Union, was a transcontinental country that spanned much of Eurasia from 1922 until it dissolved in 1991. During its existence, it was the largest country by area, extending across eleven time zones and…Source: Wikipedia (CC BY-SA)