CNN New Day Saturday December 21, 2013 12:41:00
Experiencing, particularly for mike hopkins, because this is his very first space walk. >> you've trained these astronauts and trained for the actual logistics of doing this and fixing this part, but what if something goes wrong? how do you train for the emergency? >> we constantly train -- in fact, when we train to do space walks, a lot of what we're doing is training how to work around problems. you come up with a lot of problems in the training facilities. one, for example, our big pool. the nuell tral buoyancy laboratory, a big pool we practice our space walks in, we commonly across proble...