Chris Hadfield

@Cmdr_Hadfield

Mission specialist on STS-74 and performed multiple EVAs on STS-100. Currently training as the commander of Expedition 35.

Back on Earth - detail of my oxygen mask: O2 valves in and out, plus a voice-activated mic

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1217 days ago

Back on Earth - detail of my oxygen mask: O2 valves in and out, plus a voice-activated mic

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