1969: One giant leap. Neil Armstrong and Edwin “Buzz” Aldrin become the first humans on the moon. The Apollo 11 astronauts erect an American flag and leave a plaque that says: “We came in peace for all mankind.”
1976: Viking 1 becomes the first spacecraft to successfully land on Mars.
1999: Gus Grissom’s Liberty Bell 7 space capsule is recovered after 38 years under 15,000 feet of water.
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