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Korolev's R-7 launcher was used to put Sputnik in Orbit in 1957.

Explorer 1, launched February 1, 1958, was the first American satellite in space. Its first launch was a success. It's creator, Wernher Von Braun, died soon after.

Vanguard was supposed to be the first American satellite in space, but, due to delays and launch failures, it became the second. It weighed three pounds and was no larger than a grapefruit.

When it was launched in November of 1958, Atlas became the largest object ever to be launched into space. It carried a tape recorder, and contained a message from then President Eisenhower that was broadcast around the world from space.

On the far left is the Mercury capsule. Begun in 1958, the Mercury program was the first serious American man-in-space program. Second from the left is Gemini, the two-man capsule used to pracive spacewalks. On the far right is the Soviet manned capsule Voskhod, which carried the first three-man crew into orbit. Next to it is it predecessor, Vostok. Both Soviet capsules were designed by Sergei Korolev.

Apollo 11, launched on a Saturn V on July 16, 1969, carried Neil Armstrong, Buzz Aldrin, and Mike Collins to the Moon. Collins remained in orbit around the Moon in the Columbia command module, pictured here, while Armstrong and Aldrin rode the Eagle lander module to the surface of the Moon for their historic walk.