Chris Hadfield is a retired Royal Canadian Air Force colonel, test pilot, and Canadian Space Agency astronaut. Born in Sarnia, Ontario in 1959, he served in the Canadian Armed Forces for 25 years as an Air Command fighter pilot before transitioning to a career in space exploration. Hadfield made history as the first Canadian to perform extravehicular activity, or spacewalk, in outer space. Over his astronaut career, he flew two Space Shuttle missions and served as commander of the International Space Station, representing a significant achievement in Canadian space exploration. Since retiring from the Canadian Space Agency, Hadfield has remained active in public engagement and education, maintaining a presence through his website and social media.