mars. it s a good step forward in announcing a design, then we have to deal with the questions of whether or not it can be paid for. martha: that is one of the big questions and the president has said it needs to be a applicable-private partnership to pay for this. how do you think that s going to go? i think that we re going to have trouble sustaining any program that, like this one, lasts for about ten years and then doesn t deliver anything as we get ready for this first crew flight. nasa announced yesterday that the first crew wouldn t fly on this new rocket until about 2021, almost ten years from now, so that s the difficulty. i think the schedule should be more aggressive so there are earlier milestones. we should have people riding on this rocket by 2017 or 2018 at the latest so that we can see progress and the longer you wait before you deliver results the harder it is to keep it sustained in congress. that s just the political reality. mash minister as joan pike from global