we have two space shuttle missions, one in february and one scheduled currently for april. and they're going to bring up a logistics module that the be mounted permanently on the station as well as critical spare s. to keep the station supplied in case of failures that are going to be expected down the road. now, in addition to that, congress may approve a third shuttle mission that would fly sometime in the summer. the complication on that is nasa is currently running -- the whole government is running under continuous resolution. it's uncertain right now whether that will be funded. >> let's say eventually the shuttle is going to go away. how do we get up there? >> right now the plan is to fly with the russians. we've been flying rotation sls on the russian soyuz. my mission that's how i got up and back. i was a co-captain. reliable transportation vehicle that's been around. the exciting part of the new space policy rolled out in 2010 is it calls for nasa to help seed and stimulate commercial companies to develop the capability to basically turn