The RDS-1 (Russian: РДС-1), also known as Izdeliye 501 (device 501) and First Lightning (Russian: Пе́рвая мо́лния, romanized: Pyérvaya mólniya, IPA: [ˈpʲervəjə ˈmolnʲɪjə]), [1] was …

Aug 8, 2014 · The successful test of RDS-1 in August of 1949 inspired the Soviet government to institute a major, high-priority program to develop the hydrogen bomb.

The RDS-1, (Russian: PДC), was the first Soviet nuclear device that was test fired in Semipalatinsk in Kazakhstan on August 29, 1949.

Jun 5, 2014 · It would only be a matter of months before the U.S.S.R. exploded its own atomic bomb. The Soviets successfully tested their first nuclear device, called RDS-1 or “First …

Dec 12, 1997 · Larger graphite moderated plutonium production reactors provided the fissile material for the first Soviet atomic bombs. The first Soviet nuclear test, code named "First …

The RDS-1 (Russian: РДС-1), also known as Izdeliye 501 (article 501) and First Lightning (Первая молния, Pervaya molniya), was used in the Soviet Union's first nuclear weapon test. …

On Aug. 29, 1949 the first Soviet atomic bomb was successfully tested at the Semipalatinsk test site (the territory of modern Kazakhstan) - 20 km in diameter. It was called “RDS-1” (short for...

The RDS-1 was an implosion device with a plutonium core, similar to that used by Americans in the Trinity device and the “Fat Man” nuclear bomb of proven reliability. On the test site several …

May 15, 2025 · The RDS-1 (Russian: РДС-1), also known as Izdeliye 501 (device 501) and First Lightning (Russian: Пе́рвая мо́лния, tr. Pérvaya mólniya, IPA: ), was the nuclear bomb used …

On August 29, 1949 the Soviet Union tested its first atomic weapon, detonating the RDS-1 nuclear bomb. Spy intelligence played a huge role in the project’s success, and the data gathered from...