NASA astronaut Col. Mike Hopkins belongs to the very exclusive group of just 215 people who have visited the International Space Station (ISS). But Col. Hopkins distinguished himself during his time on the ISS in a couple of memorable ways. We revisit a conversation with Hopkins.

NASA astronaut Col. Mike Hopkins belongs to the very exclusive group of just 215 people who have visited the International Space Station (ISS). But Col. Hopkins distinguished himself during his time on the ISS in a couple of memorable ways. 

Chris Hadfield’s journey from Canadian test pilot to commander of the International Space Station is a story of determination and hard work. He joins us to talk about his new autobiography,  An Astronaut's Guide to Life on Earth. Read excerpts from the book, and watch web extra videos.