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The various facilities grouped inside the Semipalatinsk Test Site Crater from a nuclear test Igor Kurchatov's radio and a portrait of Vladimir Lenin, found at the old test site. The site was selected in 1947 by Lavrentiy Beria, political head of the Soviet atomic bomb project. Beria claimed the vast 18,000 km² steppe was "uninhabited".
The nuclear weapons tests of the Soviet Union were performed between 1949 and 1990 as part of the nuclear arms race. The Soviet Union conducted 715 nuclear tests using 969 total devices by official count, including 219 atmospheric, underwater, and space tests and 124 peaceful use tests. [1] Most of the tests took place at the Southern Test Site ...
It includes nuclear test sites, nuclear combat sites, launch sites for rockets forming part of a nuclear test, and peaceful nuclear test (PNE) sites. There are a few non-nuclear sites included, such as the Degelen Omega chemical blast sites, which are intimately involved with nuclear testing. Listed with each is an approximate location and ...
The RDS-1, (Russian: PДC), was the first Soviet nuclear device that was test fired in Semipalatinsk in Kazakhstan on August 29, 1949. The first nuclear test , that proved the Russia 's nuclear capability, has many codenames within Russian political community including the internally code-named First Lightning ( Первая молния , or ...
Operation First Lightning/RDS-1 (known as Joe 1 in the West), August 29, 1949: first Soviet nuclear test. RDS-6s (known as Joe 4 in the West), August 12, 1953: first Soviet thermonuclear test using a sloyka (layer cake) design. The design proved to be unscalable into megaton yields, but it was air-deployable.
The Soviet Union's K project nuclear test series [1] (Russian: Операция «К», romanized: Operatsiya "Ka") was a group of five nuclear tests conducted in 1961–1962. These tests followed the 1961 Soviet nuclear tests series and preceded the 1962 Soviet nuclear tests series.
In mid-September 1954, nuclear bombing tests were performed at the Totskoye proving ground during the training exercise Snezhok (Russian: Снежок, Snowball or Light Snow) with some 45,000 people, all Soviet soldiers and officers, [3] who explored the explosion site of a bomb twice as powerful as the one dropped on Nagasaki nine years earlier.
The site was a dry bed of the Chagan River (tributary of Irtysh River) at the edge of the Semipalatinsk Test Site, and was chosen such that the lip of the crater would dam the river during its high spring flow. The resultant lake has a diameter of 408 m (1,339 ft) and is 100 m (330 ft) deep.