Astronaut Neil Armstrong, commander of Apollo 11 Lunar Landing Mission, with his family on August 26, 1963.
Armstrong: First man on the moon —
Astronaut Neil Armstrong, commander of Apollo 11 Lunar Landing Mission, with his family on August 26, 1963.
Time & Life/Getty
Neil Armstrong at the NASA Training Center on September 1, 1963.
Armstrong: First man on the moon —
Neil Armstrong at the NASA Training Center on September 1, 1963.
Time Life Pictures/Getty
Commander Neil Armstrong, right, and pilot David R. Scott prepare for the launch of Gemini 8 on March 16, 1966. In orbit, Armstrong had to bring the capsule under control when it began to spin out of control after docking with an unmanned target vehicle, and the mission was aborted.
Armstrong: First man on the moon —
Commander Neil Armstrong, right, and pilot David R. Scott prepare for the launch of Gemini 8 on March 16, 1966. In orbit, Armstrong had to bring the capsule under control when it began to spin out of control after docking with an unmanned target vehicle, and the mission was aborted.
NASA
Armstrong poses for a portrait in July 1969.
Armstrong: First man on the moon —
Armstrong poses for a portrait in July 1969.
NASA/Newsmakers
Armstrong leads crew mates Edwin 'Buzz' Aldrin and Michael Collins out of the space center on the Apollo 11 space mission to the moon.
Commander of Apollo 11 Lunar Landing Mission. —
Armstrong leads crew mates Edwin 'Buzz' Aldrin and Michael Collins out of the space center on the Apollo 11 space mission to the moon.
Keystone/Getty
Apollo 11, the first manned lunar landing mission, was launched on July 16, 1969, with astronauts Armstrong, Edwin "Buzz" Aldrin and Michael Collins on board. Armstrong and Aldrin became the first and second men to walk on the moon, on July 20, 1969.
Armstrong: First man on the moon —
Apollo 11, the first manned lunar landing mission, was launched on July 16, 1969, with astronauts Armstrong, Edwin "Buzz" Aldrin and Michael Collins on board. Armstrong and Aldrin became the first and second men to walk on the moon, on July 20, 1969.
SSPL/Getty Images
Astronaut Neil Armstrong is seen in the reflection of Edwin 'Buzz' Aldrin's helmet during the pair's historic walk on the surface of the moon on July 20, 1969.
Armstrong: First man on the moon —
Astronaut Neil Armstrong is seen in the reflection of Edwin 'Buzz' Aldrin's helmet during the pair's historic walk on the surface of the moon on July 20, 1969.
AFP/Getty Images
Armstrong and Aldrin spent roughly two hours on the moon's surface. The photos of the moonwalk were taken by Armstrong.
Armstrong: First man on the moon —
Armstrong and Aldrin spent roughly two hours on the moon's surface. The photos of the moonwalk were taken by Armstrong.
AFP/Getty Images
Neil Armstrong (whose footprint is shown on the moon's surface) had to override the Eagle lunar module's autopilot in order to prevent the craft from landing on the slope of a crater.
Armstrong: First man on the moon —
Neil Armstrong (whose footprint is shown on the moon's surface) had to override the Eagle lunar module's autopilot in order to prevent the craft from landing on the slope of a crater.
AFP/Getty Images
The Saturn V rocket carrying the crew of Apollo 11 takes off from Pad A, Launch Complex 39 at the Kennedy Space Center.
Armstrong: First man on the moon —
The Saturn V rocket carrying the crew of Apollo 11 takes off from Pad A, Launch Complex 39 at the Kennedy Space Center.
AFP/Getty Images
Armstrong presents a pair of pizzas in his kitchen in Houston, Texas, on March 1, 1969.
Commander of Apollo 11 Lunar Landing Mission. —
Armstrong presents a pair of pizzas in his kitchen in Houston, Texas, on March 1, 1969.
Time & Life/Getty
Armstrong said: "I thought we had a 90% chance of getting back safely to Earth on that flight, but only a 50-50 chance of making a successful landing on the first attempt."
Armstrong: First man on the moon —
Armstrong said: "I thought we had a 90% chance of getting back safely to Earth on that flight, but only a 50-50 chance of making a successful landing on the first attempt."
AFP/Getty Images
The astronaut crew of the Apollo 11 mission are pictured in May 1969. Left to right are Neil Armstrong, commander; Michael Collins, command module pilot; and Edwin 'Buzz' Aldrin, lunar module pilot.
Armstrong: First man on the moon —
The astronaut crew of the Apollo 11 mission are pictured in May 1969. Left to right are Neil Armstrong, commander; Michael Collins, command module pilot; and Edwin 'Buzz' Aldrin, lunar module pilot.
AFP/Getty Images
Armstrong, Aldrin and Collins wave to crowds at a parade held in August 1969 celebrating their voyage.
Armstrong: First man on the moon —
Armstrong, Aldrin and Collins wave to crowds at a parade held in August 1969 celebrating their voyage.
Time Life Pictures/NASA/Getty
A commemorative button from 1969 celebrates the moon landing.
Armstrong: First man on the moon —
A commemorative button from 1969 celebrates the moon landing.
Blank Archives/Getty
Armstrong receives the first Congressional Space Medal of Honor from President Jimmy Carter, right, assisted by Capt. Robert Peterson, on October 1, 1978. Armstrong, one of six astronauts to be presented the medal during ceremonies held in the Vehicle Assembly Building (VAB), was awarded for his performance during the Gemini 8 mission and the Apollo 11 mission.
Armstrong receives the first Congressional Space Medal of Honor from President Jimmy Carter, right, assisted by Capt. Robert Peterson, on October 1, 1978. Armstrong, one of six astronauts to be presented the medal during ceremonies held in the Vehicle Assembly Building (VAB), was awarded for his performance during the Gemini 8 mission and the Apollo 11 mission.
NASA
President Richard Nixon applauds the Apollo 11 astronauts, who were confined in a quarantine trailer after their flight, on July 25, 1969.
Armstrong: First man on the moon —
President Richard Nixon applauds the Apollo 11 astronauts, who were confined in a quarantine trailer after their flight, on July 25, 1969.
Popperfoto/Getty
Neil Armstrong talks about the space program during an appearance before a U.S. House committee in 1986.
Armstrong: First man on the moon —
Neil Armstrong talks about the space program during an appearance before a U.S. House committee in 1986.
Landov
Former Apollo astronauts meet with the media at the Apollo/Saturn V Center prior to a 30th anniversary banquet highlighting the contributions of aerospace employees who made the Apollo program possible on July 16, 1999. From left to right: Armstrong; Aldrin; Gene Cernan, who flew on Apollo10 and Apollo 17; and Walt Cunningham, who flew on Apollo 7.
Armstrong: First man on the moon —
Former Apollo astronauts meet with the media at the Apollo/Saturn V Center prior to a 30th anniversary banquet highlighting the contributions of aerospace employees who made the Apollo program possible on July 16, 1999. From left to right: Armstrong; Aldrin; Gene Cernan, who flew on Apollo10 and Apollo 17; and Walt Cunningham, who flew on Apollo 7.
UPI/Landov
Collins, Armstrong and Aldrin are honored on Capitol Hill in July 2009 on the 40th anniversary of their mission.
Armstrong: First man on the moon —
Collins, Armstrong and Aldrin are honored on Capitol Hill in July 2009 on the 40th anniversary of their mission.
UPI/Landov
President Barack Obama poses for photographs with Armstrong in the Oval Office at the White House in 2009.
Armstrong: First man on the moon —
President Barack Obama poses for photographs with Armstrong in the Oval Office at the White House in 2009.
Getty Images
Armstrong testifies before the House Science, Space, and Technology Committee about human space flight on Capitol Hill in September 2011.
Armstrong: First man on the moon —
Armstrong testifies before the House Science, Space, and Technology Committee about human space flight on Capitol Hill in September 2011.
Getty Images