Chris Hadfield will be making his third trip to space. The launch of his next mission is scheduled for December 5 2012.
During his first mission (STS-74) aboard space shuttel Atlantis in 1995, he became the first to operate the space shuttle robotic arm and only Canadian to board the Russian space station Mir
During his second mission (STS-100) he installed the space station
robotic arm "Canadarm 2" and became the first Canadian to perform and extra vehicular activity (space walk)
His third mission will consist of being a member of the Expedition 34
and Commander of Expedition 35 aboard the International Space Station. He will be the first Canadian and second non american or Russian to have this responsibility.