Leonov recalled the reaction in the Soviet Union: "There were lots of letters addressed to the government, all of which asked how it could have happened, how come Americans were ahead of us.

The Soviet Union detonated its first atomic bomb, known in the West as Joe-1, on Aug. 29, 1949, at Semipalatinsk Test Site, in Kazakhstan. The Soviets called their first atomic test "First Lightning." ...

He explains in the documentary: 'In 1991 when the test site was closed and Kazakhstan declared a moratorium everything broke up. People moved away and the Soviet Union collapsed.' Lyubov Filina ...

Soviet wartime cameramen accompanied the fighting troops of the Red Army on foot aboard their tanks and in their aircraft to film this epochal documentary of the Battle of Moscow that halted the ...