So between now and then nasa would like commercial companies to build and operate space stations so that nasa can in the future, board the space stations as much as it is now leasing these missions aboard space x space crafts. so completely different change in model, if you will, about how operations will be conducted. this is the beginning of the space station part of that. that private individuals on board, while not being described as space tourists, because they will be conducting experiments themselves, they have had to fork out $55 million each for a seat on board. that's not within reac...