11. Will we be able to breathe without spacesuits when we are inside the spacecraft? (LM) (A K2S Question)

From The Space Library

Yes, in all spacecraft that have been flown, the design has been for people to breathe outside of a spacesuit as long as they are within the spacecraft, just like the Shuttle astronauts do today. During high risk operations such as launch and entry, astronauts wear pressure suits for greater protection and for needed items should there be an emergency abort. Outside the spacecraft and when exposed to space, you will always need a spacesuit.

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Answer provided by Lonnie Moffitt & Russell Romanella

Question and Answer extracted from the book Kids to Space - by Lonnie Schorer

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