Snoopy cap

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Neil Armstrong wearing a Snoopy cap
Neil Armstrong wearing a 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.[1] The cap is nicknamed after the Peanuts character, which 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]


  1. ^ "Learn About Spacesuits". NASA. November 13, 2008. 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.