The Arms race was U.S. and U.S.S.R. race to build up to build up stockpiles of nuclear weapons. The more nuclear weapons you had, the powerful you were. The code name for creation of the world’s first atomic bomb was Manhattan Project. The name of the bombs that were dropped Japanese Cities by the U.S. were Hiroshima and Nagasaki. Soviet Union test its first atomic bomb in 1949. Major goal of both countries was both countries goals were to develop rockets as a means to deliver nuclear weapons to its targets. United States develop in 1952 was the H-Bomb. The H-bomb was much smaller than the A-bomb and 2500 times more powerful. When did they test this new technology? The were Russia tested its first H-bomb in 1953. ICBM is Stands for Intercontinental ballistic missile. They used for ballistic missile with a long range typically designed for nuclear weapons delivery. Country that tested it first Soviet Union in 1952, Atlas missile the United States developed in 1957 A test model that only had a range of 600 miles, known as the Atlas A, was launched at Cape Canaveral, Florida in June 1957.The Atlas then went through several upgrades. The Atlas D had three consecutive test failures in spring. Boeing-built Minuteman missile systems, operated by the Air Force Combat Command, are long-range, solid-fuel, three-stage, intercontinental ballistic missiles capable of carrying single or multiple nuclear warheads. How many nuclear bombs does the United States have today? Today they have Active Warheads: 2,150 Total Warheads: 7,700. How many nuclear bombs does Russia/Soviet Union have today? they have Active Warheads: 1,750Total Warheads: 8,500.