Katie Presson is the Director of the International Space Station Payload Operations Integration Center (POIC) at NASAs Marshall Space Flight Center in .\r<br>\r<br>The average International Space Station expedition lasts four to six months. Research enabled by the one-year mission will help scientists better understand .\r<br>\r<br>Real Martians host Amy Shira Teitel talks to Scott Kelly and Kjell Lindgren aboard the International Space Station about extended stays in space and how their .\r<br>\r<br>\r<br>\r<br>Mackenzie Davis and Sebastian Stan, stars of 20th Century Foxs Film The Martian, got a tour from Johnson Space Center Director Ellen Ochoa. News media .
