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How to Operate a Space Telescope
"You want to have confidence in your suit and just go about your work," says Neil Armstrong. "Every time you move, you're moving with a purpose... You always know where your tethers are." The inner bladder is the most vulnerable part of an astronaut's spacesuit because it can be cut or punctured by small cuts on its outer surface. A little tear could end up being fatal if there was any damage at all.