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UNITED STATES - APRIL 30: Apollo 11, the first manned lunar landing mission, was launched on 16th July 1969 with astronauts Armstrong, Edwin ?Buzz? Aldrin and Michael Collins on board, and Armstrong and Aldrin became the first and second men to walk on the Moon on 20th July 1969. Collins, the Command Module pilot, remained in lunar orbit while Armstrong and Aldrin were on the surface. (Photo by SSPL/Getty Images)
UNITED STATES - APRIL 30: Apollo 11, the first manned lunar landing mission, was launched on 16th July 1969 with astronauts Armstrong, Edwin ?Buzz? Aldrin and Michael Collins on board, and Armstrong and Aldrin became the first and second men to walk on the Moon on 20th July 1969. Collins, the Command Module pilot, remained in lunar orbit while Armstrong and Aldrin were on the surface. (Photo by SSPL/Getty Images)

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Neil Armstrong: Reluctant hero

In 2012, PBS News Hour correspondent Miles O'Brien shared his reaction to the passing of astronaut Neil Armstrong.

Neil Armstrong: Reluctant hero

In 2012, PBS News Hour correspondent Miles O'Brien shared his reaction to the passing of astronaut Neil Armstrong.