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A prototype of the Soviet R-16 intercontinental ballistic missile exploded on the launch pad at the Baikonur Cosmodrome in the Kazakh SSR.

R-16 (missile)

Soviet intercontinental ballistic missile

The R-16 was the first successful intercontinental ballistic missile deployed by the Soviet Union. In the West it was known by the NATO reporting name SS-7 Saddler, and within Russia, it carried the GRAU index 8K64.
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Nedelin catastrophe

1960 fatal Soviet launch pad disaster

The Nedelin catastrophe or Nedelin disaster, known in Russia as the Catastrophe at Baikonur Cosmodrome, was a launch pad accident that occurred on 24 October 1960 at the Baikonur Cosmodrome in Soviet Kazakhstan. As a prototype of the R-16 intercontinental ballistic missile was…
Source: Wikipedia (CC BY-SA)

Baikonur Cosmodrome

Spaceport in Kazakhstan leased to Russia

The Baikonur Cosmodrome is a spaceport operated by Russia within Kazakhstan. Located in the Kazakh city of Baikonur, it is the largest operational space launch facility in terms of area. All Russian crewed spaceflights are launched from Baikonur.
Source: Wikipedia (CC BY-SA)

Kazakh Soviet Socialist Republic

Soviet republic from 1936 to 1991

The Kazakh Soviet Socialist Republic, also known as Soviet Kazakhstan, the Kazakh SSR, KSSR, or simply Kazakhstan, was one of the constituent republics of the Soviet Union (USSR) from 1936 to 1991. Being located in northern Central Asia, the Kazakh SSR was created on 5 December…
Source: Wikipedia (CC BY-SA)