When Juan Hernandez began working at SpaceX, his salary was $28 an hour.Now, after Elon Musk’s SpaceX gave him $10,000 in stock when he went full-time in 2015 — he’s a millionaire.But he’s not alone. The company has now created 4,400 new millionaires across the employees. Even better, around 400 of the 4,400 are sitting on stakes worth over a hundred million each.“It’s incredible,” BlazeTV host Pat Gray says on “Pat Gray Unleashed.”However, many…