Apollo 11: Big moments in historic mission to moon 50 years ago (25 images)

2019 marks the 50th anniversary of the Apollo 11 mission to the moon and man's first "moonwalk." Astronauts Neil Armstrong, Edwin "Buzz" Aldrin and Michael Collins journeyed eight days in space. Armstrong and Aldrin walked the moon's surface and conducted experiments. Collins piloted the command module in the lunar orbit during their 22-hour stay on the moon.

Aldrin walks on the surface of the moon near a leg of the lunar module. File Photo courtesy of NASA

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The deployment of the U.S. flag on the surface of the moon by Armstrong (L) and Aldrin is captured on film. The picture was taken from film exposed by the 16mm Data Acquisition Camera, which was mounted in the lunar module. File Photo courtesy of NASA

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Aldrin poses for a photo beside the deployed U.S. flag. File Photo by Neil Armstrong/NASA

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Aldrin walks on the surface of the moon near the leg of the lunar module. File Photo by Neil Armstrong/NASA

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