We're still going to be able to accomplish our goals for a good station configuration for shuttle retirement. In our schedule and planning we assumed that we'd have some shuttle problems along the way.
It's great that our Russian partners are here to help us during this time. It would never have occurred without the tragedy of Columbia. So out of that tragedy has come a remarkable relationship between our two countries and our two space programs.
We know that oxygen generating systems in general have had a lot of problems over the years during start-up. We want to fly it early so we can work those out.
We're going to do the right thing and let the data drive us where we need to go. I think we've got a unique opportunity to get this right.
We're going to have to make some modifications to the tank, so that probably puts the September (launch) window into a not very likely possibility.