lopez-alegria who has commanded the space station before and served 20 years as an astronaut and naval overs, but other three guys they are not slouches, and there s something important to remember when nature el was talking. this seems like a short flight but it s longer than almost any space shuttle flight was. these guys have had a tremendous experience here, you know, for something that was much longer than planned, but the three guys have been through a bunch of training to make sure they are safe, they know what to do, but they brought experiments from all types of different universities and hospitals with them. each of them turned it into something significant and they will be so thankful for the extra time that they had to try to complete all of those experiments and for the window time, just the depth of the experience, but, you know, they have still got a relatively dangerous thing to be able to safely pilot their way back down through the atmosphere and land