How did the U.S. become so dependent on SpaceX?

3 2 1 zero ignition. Liftoff. >> SpaceX has become synonymous with US space supremacy.>> SpaceX is irreplaceable as a national asset. >> Right now, SpaceX is just completely dominant, but it's dominant cuz it's the best. >> For years, the US government and SpaceX have had a mutually beneficial relationship.The government used to have its own space program, its own shuttle programs, but those were retired. And now the government looks to SpaceX for those capabilities. So without SpaceX, the government cannot ...