NASA pays for the mission, transport XY amount of tonnage to the ISS. The rocket remains owned by SpaceX. In majority of situations, owning a rocket means littl

NASA pays for the mission, transport XY amount of tonnage to the ISS. The rocket remains owned by SpaceX. In majority of situations, owning a rocket means little as it cannot be reused. Also very few customers have the means to "run" a rocket, NASA fits the bill and it's conceivable NASA could buy a F9 and use it after quite a bit of training, but this makes little sense for them and little sense for SpaceX.