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USA first launch-1958
Explorer 1 was the United States' first satellite in space -
First American in space
Navy Commander Alan Bartlett Shepard Jr. is launched into space aboard 7 space capsule -
First American orbits Earth
Glenn flew the Friendship 7 mission and became the first American to orbit the Earth and the fifth person in space -
1965- Mariner 4 space probe flies past mars
Mariner 4 was the fourth in a series of spacecraft used for planetary exploration in a flyby mode and represented the first successful flyby of the planet Mars, returning the first pictures of the martian surface -
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1969- Apollo 11 first manned moon landing
the primary objective of Apollo 11 was to complete a national goal set by President John F. Kennedy on May 25, 1961: perform a crewed lunar landing and return to Earth. -
1973- Pioneer 7 sent toward Jupiter
After more than 30 years, it appears the venerable Pioneer 10 spacecraft has sent its last signal to Earth -
1975- U.S. and Soviet Union launch first joint space mission
carrying cosmonauts Alexey Leonov and Valery Kubasov