Article · Wikipedia archive · Last revised Jun 3, 2026

Snoopy cap

A Snoopy cap, or communication cap, is a part of a space suit worn by American astronauts on the head and incorporating an audio headset for communication. The cap is nicknamed after the Peanuts character, whom its black and white paneling resembled. Its NASA designation is Communications Carrier Assembly. The "Snoopy cap" includes two earphones and two microphones, to tolerate failure of a single unit.

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Jun 3, 2026
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Neil Armstrong wearing a Snoopy cap
Neil Armstrong wearing a Snoopy cap source ↗

A Snoopy cap, or communication cap, is a part of a space suit worn by American astronauts on the head and incorporating an audio headset for communication.1 The cap is nicknamed after the Peanuts character, whom its black and white paneling resembled.2 Its NASA designation is Communications Carrier Assembly.3 The "Snoopy cap" includes two earphones and two microphones, to tolerate failure of a single unit.4

References

References

  1. "Learn About Spacesuits". NASA. November 13, 2008. Archived from the original on 25 December 2018. Retrieved 15 March 2017.
  2. "Armstrong's Apollo 11 "Snoopy Cap"". National Air and Space Museum. Smithsonian Institution. Retrieved 15 March 2017.
  3. "NASA - Communicating in Space". NASA. August 26, 2010. Retrieved 10 April 2017.
  4. Thomas, Kenneth S; McMann, Harold J (2011). U.S. Spacesuits. Springer Praxis Books. p. 47. ISBN 978-1-4419-9566-7.