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Alfred Merrill Worden

Worden, Alfred Merrill (1932– ), U.S. astronaut who piloted the Apollo 15 command module on its journey to the moon. During the 1971 mission, he orbited the moon while astronauts David R. Scott and James B. Irwin explored its surface. On their return to earth, Worden took the first “space walk” in history, leaving the spacecraft for 20 minutes to retrieve materials from the rear of the module.

See also: Astronaut.

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