US ARMS RACE
Drop Atom bomb on Hirosima
America tests hydrogen bomb
U.S develop ICBm technology
U.S develop MIRV systems
Stategic Defense Initiative
SU ARMS RACE
S.U detonates their first atomic bomb
First ICBM missle launched by S.U
Soviets detonate Tsar Bomba
S.U develop defensive ABM systems
S.U. develop MIRV technology
US SPACE RACE
Explorer 1, the first American satellite to reach orbit
Explorer 2 is launced but it fails to reach orbit.
Tiros 1, the first successful weather satellite, is launched.
Ranger 7 transmits the first close range images of the Moon.
Man on the moon
SU SPACE RACE
USSR launches Sputnik 1.
USSR launches Sputnik 2 which carried a small dog named Laika into orbit.
Luna 1 is launched by the USSR.
Luna 10 becomes the first satellite to orbit the Moon.
Soyuz 4 & 5 perform the first Soviet spacecraft docking.