Chris Hadfield (@cmdr_hadfield) 's Twitter Profile
Chris Hadfield

@cmdr_hadfield

Astronaut, back on Earth after 3 spaceflights.
For events and media, please write to [email protected]
Order books at chrishadfield.ca/books

ID: 186154646

linkhttp://www.chrishadfield.ca calendar_today02-09-2010 18:21:55

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Chris Hadfield (@cmdr_hadfield) 's Twitter Profile Photo
Chris Hadfield
@cmdr_hadfield

5 months ago

For those who are confused about our long-lasting, shared defence of North America, here is the airspace I was referring to. en.wikipedia.org/wiki/Air_defen…

For those who are confused about our long-lasting, shared defence of North America, here is the airspace I was referring to. en.wikipedia.org/wiki/Air_defen…