They wanted to go to mars and tried buying russian rockets first, but they were too expensive so they started building them. Nothing to do with Darpa, at least

They wanted to go to mars and tried buying russian rockets first, but they were too expensive so they started building them. Nothing to do with Darpa, at least I dont find any relations. https://en.m.wikipedia.org/wiki/History_of_SpaceX https://en.m.wikipedia.org/wiki/History_of_SpaceX