Good thing that NASA and SpaceX are working together to upgrade Dragon 1 to Dragon Crew. As for what SpaceX (and OrbitalATK) does better, look at the cost of I

Good thing that NASA and SpaceX are working together to upgrade Dragon 1 to Dragon Crew. As for what SpaceX (and OrbitalATK) does better, look at the cost of ISS cargo deliveries, and then read about the history of Constellation and Ares.