SESKStuff Everyone Should Know
SESK: Stuff Everyone Should Know · sesk.info/aero-gemini-two-person

Project Gemini was America's first spacecraft built to carry how many astronauts?

Two.

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  1. One
  2. Two ✔
  3. Three

Why: The Gemini spacecraft carried two astronauts. Its 10 crewed flights in 1965 and 1966 practiced skills needed to reach the Moon, like spacewalks and meeting up with another craft in orbit.

Huh, didn't know that: Astronaut Ed White made the first U.S. spacewalk during a Gemini mission.

The dad joke
Why did the Gemini astronauts never argue? They were always on the same page, twice.
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References

Answer: Two. The Gemini spacecraft carried two astronauts. Its 10 crewed flights in 1965 and 1966 practiced skills needed to reach the Moon, like spacewalks and meeting up with another craft in orbit.

  1. CAP Aerospace Dimensions Module 6, Spacecraft akwg.cap.gov/media/cms/Module_6__Spacecraft_E6C71F472ACC8_abd28.pdf
    Gemini was America's first two-man spacecraft
    Checked 2026-10-10.

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