Photos of key moments in SpaceX history, from the scrappy startup days to milestone rocket launches

Source: Business Insider

SpaceX's valuation has grown exponentially since its 2002 founding. Gina Ferazzi / Los Angeles Times via Getty ImagesIn 2002, Elon Musk founded a dark-horse company to make rockets reusable, and thus more affordable. That company, SpaceX, went public on Friday at a $1.