joining the now is jared isaacman. will you be the one walking? >> dragon doesn't have an airlock.vehicle will be in vacuum. all four of us will be doing the spacewalk. liz: will you get out and do the macarena to get a? >> we have to do a lot of tests, space x pioneered a new spacesuit, the first one in 40 years so we have to go out and do a dance to make sure the suit has the right flexibility. liz: the moonwalk, not the macarena. are practicing that. this is exciting, isn't it? when you think about this opportunity, when is the date of this flight? >> we been training for two years, looking at april 1st come a totally exciting, not only the first commercial spacewalk but the farthest anyone has gone from the earth since last time we went to the moon. liz: you will be conducting experiments. >> five days of research. liz: this is exciting. this experience does not come cheaply and to get to the point, self-made billionaire, you found that a company at 16 years old called united -- payment processing. tell me about the business. it is publicly traded. you have a banker, gross reve