![An astronaut sleeps on the space shuttle](https://science.nasa.gov/wp-content/uploads/2023/07/27411554453-2c5bbb9c06-o.jpg?w=4096&format=jpeg)
Astronaut Scott D. Altman
Scott D. Altman, STS-109 mission commander, sleeps on the flight deck of the Space Shuttle Columbia.
Credits: NASA
Image CreditNASA
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Scott D. Altman, STS-109 mission commander, sleeps on the flight deck of the Space Shuttle Columbia.