we'll go next to steven clark. >> hugh. thank for taking the question. a question for gwn they. suspects you social security you are using the more and more the crew dragon vehicles, i am curious, do you plan on building a fleet of vehicles going for hard? how many do you think you will heed have in your rotation another demand both from nasa and from private astronauts passengers going for with and and question for the crew one plight. think you are the first nasa astronaut since john rounding, if i recall correctly, to fly on three different launch vehicles with the experience on soyuz and the space shuttle and curious if you could come par the experiences on the two vehicles riding into orbit. how you think falcon nine can compare going into it. thanks. >> thanks. a great question. yes. am honored to fly mission and along with my experience with the space shuttle and the employees. the important thing is that i am learning a lot from the pilots in and started last february. this is going back to square one. everything is for my safety, and so every day, and you go on saying w

. >> next is steven clark from space flight now. >> reporter: hi, guys, congratulations on a successfulon and welcome back to earth. thanks for taking my question. i just wanted to, you know, by all account it was a very successful test flight. just based your experiences, can i get one of you to comment on if you think crew dragon is ready to go for crew rotation missions to the iss with your successful return? thanks. >> i think both of us are in agreement no questions that the crew dragon once they finish the certification process, they need to look at the data from our entry, you know, it's not just the end user's anecdotes of how well it performed. they will do a very thorough review both on the spacex side and the nasa side to make sure they are comfortable. but from a crew perspective. i think it's definitely ready to go. there are things that can be improved just jut like even with the final flight of the space shuttle. i know doug will tell you there are things that could have been improved or would have been improved if we flew 136, there will be things that we'll have ideas a

. >> reporter: detectives ken clark and robert martindale wanted to have a look at harvey morrow's boat, steven'snown residence, and they wanted to talk to harvey. they got a search warrant. brought a whole team to the harbor. seized the yacht. >> when you first walked in, was it -- >> clean, absolutely clean. clean enough for you, and these are my words, eat off the floor. >> reporter: pristine, in fact. and for all the diligent efforts of the forensic people, there was no sign of steven b's existence. no evidence he'd ever set foot on that yacht. they did find some high-tech navigational equipment, which they hoped would tell them where the boat had been, but when the expert analyzed it -- >> he said it was never connected. it was never turned on. >> reporter: there was a manual for a handheld garmin gps. but only the manual. >> we went and we searched and we searched and we searched. and we just didn't find the gps. >> reporter: nor did they find harvey morrow. he seemed to have disappeared. and that's when they started digging into harvey's background. just who was he anyway? >> some said he