During the Cold War, the Soviet Union sought to counter the U.S. B-1 bomber with a next-generation supersonic stealth aircraft. The T-4MS, designed by Sukhoi, was an ambitious variable-geometry flying ...

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." ...