The high-profile project to defend the U.S. against missile threats is prompting longtime defense contractors and startups to tout what they can bring to the table.

President Trump is poised to get his first big windfall for his Golden Dome with a proposed $25 billion to jumpstart the purported missile defense system. The billions of dollars earmarked for the Golden Dome — part of the GOP’s reconciliation bill to increase Pentagon spending by $150 billion — means the system long