Visited by millions each year, the Smithsonian's National Air and Space Museum in Washington is home to several Apollo lunar modules built for the moon-landing program.
'One small step': Artifacts of the moon landing —
Visited by millions each year, the Smithsonian's National Air and Space Museum in Washington is home to several Apollo lunar modules built for the moon-landing program.
Alex Wong/Getty Images file
A model of a Saturn V rocket and its launch umbilical tower are examples of what were used during the Apollo era.
'One small step': Artifacts of the moon landing —
A model of a Saturn V rocket and its launch umbilical tower are examples of what were used during the Apollo era.
Alex Wong/Getty Images file
Neil Armstrong's famous moon walk is commemorated at the National Air and Space Museum.
'One small step': Artifacts of the moon landing —
Neil Armstrong's famous moon walk is commemorated at the National Air and Space Museum.
Alex Wong/Getty Images
The Apollo 11 command module, now on display at the National Air and Space Museum, was one of three parts of the Apollo spacecraft.
'One small step': Artifacts of the moon landing —
The Apollo 11 command module, now on display at the National Air and Space Museum, was one of three parts of the Apollo spacecraft.
Alex Wong/Getty Images file
An American flag is part of the display at the Smithsonian's National Air and Space Museum.
'One small step': Artifacts of the moon landing —
An American flag is part of the display at the Smithsonian's National Air and Space Museum.
Alex Wong/Getty Images file
There were 12 lunar modules built for the Apollo moon-landing program.
'One small step': Artifacts of the moon landing —
There were 12 lunar modules built for the Apollo moon-landing program.
Alex Wong/Getty Images file
The command module from Apollo 11 brought astronauts safely back to Earth.
'One small step': Artifacts of the moon landing —
The command module from Apollo 11 brought astronauts safely back to Earth.
Alex Wong/Getty Images file
The Apollo 11 command module Columbia carried astronauts Neal Armstrong, Buzz Aldrin and Michael Collins to the moon and back in July 1969.
'One small step': Artifacts of the moon landing —
The Apollo 11 command module Columbia carried astronauts Neal Armstrong, Buzz Aldrin and Michael Collins to the moon and back in July 1969.
Eric Long/National Air and Space Museum
The Apollo lunar module No. 2 is on display.
'One small step': Artifacts of the moon landing —
The Apollo lunar module No. 2 is on display.
Eric Long/National Air and Space Museum
The lunar roving vehicle qualification test unit is on display at the National Air and Space Museum.
'One small step': Artifacts of the moon landing —
The lunar roving vehicle qualification test unit is on display at the National Air and Space Museum.
National Air and Space Museum, Smithsonian Institution
This spacesuit was worn by astronaut Neil Armstrong, commander of the Apollo 11 mission, which landed the first man on the moon on July 20, 1969.
'One small step': Artifacts of the moon landing —
This spacesuit was worn by astronaut Neil Armstrong, commander of the Apollo 11 mission, which landed the first man on the moon on July 20, 1969.
Eric Long/National Air and Space Museum