we did some docked operation evaluations with four people and, you know, we had anatole and i chris actother two crew members and their vast experience in flying soyuz and space flight in general they had some great suggestions. and we at the time passed those things on in the debrief and will talk to the crew one folks about that as well. yeah, there is a formal process and then an informal process and we'll try pass on everything that we learned and what we think might work the best with a crew of four. >> joey roulette from reuters. >> reporter: thanks for doing this. and, bob, i really appreciated that description of the descending in crew dragon you gave early in the call. do you think there is anything spacex can or should do to make crew dragon's descent calm or is thatted way it should be or what you expected? >> i think from a crew perspective. what's important is that you understand the events that the vehicle is going to go through. and know what to expect. the thing i found most valuable having gone through that experience is something actually the launch team put together f