Neil Armstrong

Neil Armstrong was an American astronaut and aerospace engineer who became the first person to walk on the Moon during Apollo 11 in 1969.

Apollo 11: The 1969 NASA mission that first landed astronauts on the Moon and returned them safely to Earth. Armstrong commanded this mission and descended to the lunar surface with Buzz Aldrin.
Buzz Aldrin: American astronaut who joined Armstrong on the Apollo 11 lunar surface expedition. Aldrin was the second person to walk on the Moon and Armstrong’s lunar module crewmate.
Naval aviator: A military pilot trained to operate aircraft from naval vessels and support naval missions. Armstrong began his flying career as a US Navy aviator during the Korean War.
Moon landing: The arrival of a spacecraft or person on the Moon’s surface. Armstrong’s landing made the first crewed lunar surface visit a reality.
Yuri Gagarin: Soviet cosmonaut who became the first human to travel into space and orbit Earth in 1961. Gagarin’s first in space preceded Armstrong’s first on the Moon.
Apollo 11 lunar surface operations: The activities Armstrong and Buzz Aldrin carried out on the Moon during Apollo 11. Armstrong’s first steps and lunar work took place during this surface expedition.
Michael Collins: American astronaut who orbited the Moon alone in Apollo 11’s command module. Collins remained in lunar orbit while Armstrong and Aldrin landed.
Test pilot: A pilot who evaluates aircraft and flight systems to assess performance, handling, and safety. His test-pilot work prepared him to fly experimental aircraft and spacecraft.
Apollo program: NASA’s human spaceflight program that sent astronauts to the Moon between 1961 and 1972. Armstrong’s achievement was the most visible milestone of the program.
Alan Shepard: American astronaut who became the first American in space in 1961 and later walked on the Moon. Shepard was the first American in space, while Armstrong was the first person on the Moon.

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