Clayton C. Anderson

@Astro_Clay

Crazy fun US Astronaut/speaker/consultant/Author of The Ordinary Spaceman, STEAMer, S Media/space, love NASA, inventor Twitpic POTD! http://t.co/0dv6eqDDW2

Close up of a professional M-113 tank driver!  Mario Andretti eat your heart out!

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2517 days ago

Close up of a professional M-113 tank driver! Mario Andretti eat your heart out!

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