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Cold War Arms Race/Space Race
US Arms Race
Dropped Bomb on on Hiroshima
August 6, 1945
Truman approves H-bomb development
January 30, 1950
Could travel 6,000 miles, accurate to within one mile of target
Soviet Union Arms Race
begins assembly of first full-scale nuclear reactor. USSR
November 10, 1946
Gets first atomic Bomb
US Space Race
Explorer 1 satellite first to reach orbit
Explorer 2 Fails to reach orbit
Alan B. Shepard becomes the first American in space
Charles Bassett and Elliott See die when their plane crashes in bad weather.
Neil Armstrong and Edwin "Buzz" Aldrin the first men to walk the Moon.
July 20, 1969
Soviet Union Space Race
USSR launches Sputnik 1
USSR launches Sputnik 2 which carried a small dog named Laika into orbit
Alexei Leonov spends 12 minutes outside his Voskhod spacecraft first spacewalk.
Luna 10 becomes the first satellite to orbit the Moon.
Soyuz 4 & 5 perform the first Soviet spacecraft docking.
January 16, 1969
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