Come hear ISS astronauts Commander Mike Fossum and Flight Engineer Catherine Coleman. Commander Fossum has two Shuttle missions (STS-121 and 124) and one ISS Expedition to his credit. He has seven spacewalks and more than 194 days in space. Flight Engineer Coleman is also a veteran of two shuttle missions (STS-73 and 93) and one ISS Expedition. She was a key player in the launch of the Chandra X-Ray Observatory. After a presentation about their missions, the astronauts will take questions from visitors.