COLD WAR ARMS RACE, SPACE RACE

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US ARMS RACE

Dropped atomic bomb on Hiroshima, Japan

8/6/45

369 operational atomic bombs

1950

Exploded the H bomb

1952

US has successful H bomb

november 1, 1952

Truman leaves office, Eisenhower now president

january 1953

SOVIET UNION ARMS RACE

5 atomic bombs

1950

Stalin is dead

january 1953

Produced the H bomb

1953

has successful H bomb

august 12, 1953

explorer 2 fails to reach orbit

march 5, 1958

US SPACE RACE

explorer 1 launched

january 31, 1958

SOVIET UNION SPACE RACE

launched sputnik 1

october 4, 1957

sputnick 2

november 3 1957

carried small dog named Laika