“That's one small step for [a] man, one giant leap for mankind.”
— Neil Armstrong, 1969
Verification
VerifiedWording confirmed against a primary source.
Armstrong said he intended to say "a man"; the "a" is not clearly audible on the recording.
Source
- Title
- Apollo 11 mission transcript
- Type
- transcript · Primary source
- Date
- 20 July 1969
- Location
- 109:24:48 mission elapsed time
- Held by
- NASA
Context
Spoken as Armstrong stepped onto the Moon's surface.
What it means
A single human act representing a huge achievement for humanity.
Cite this source
Armstrong, Neil. (20 July 1969). Apollo 11 mission transcript. NASA. https://www.nasa.gov/history/alsj/a11/a11.step.html
Check citations against your institution's style guide; some details may be missing.
Provenance: Manually entered from NASA's Apollo Lunar Surface Journal.