Miguel J. Rodriguez Carrillo / AFPFormer SpaceX employees have launched startups with over $3 billion in venture funding.The SpaceX Mafia is backed by top venture firms like Andreessen Horowitz and Founders Fund.The SpaceX culture of ownership and innovation shaped these leaders and their companies.Elon Musk was part of the original PayPal Mafia, a club whose members became tech world titans. Now he's building a new legacy: Meet the SpaceX Mafia.A growing group of former SpaceX employees have fo