what should we look at for the next couple of days, next few hours actually? >> of course the launch is coming up in a couple of minutes. of course that's very exciting. brings me back to ten years ago when i was on the soyuz rocket myself. nine people aboard the iss. you are right, that happens very rarely. this will be an interesting time, good international mix of folks on board and a lot of sign activities planned. so a lot of activity going on. >> leroy, do we know what specific scientific research these three astronauts will be tasked with? >> i haven't seen the list of the experiments they will be doing. but by and large, most of the experiments we do on iss are basically related to biomedical. that's the biggest thing we are looking for to get out of the station is to solve biomedical issues that are keeping us from being able to go to places like mars because the biggest challenge is how to keep astronauts healthy during such a