Should a group led by SpaceX win the contract, it would be the biggest win for Silicon Valley in the lucrative defense contracting industry.

Elon Musk's SpaceX and two partners have emerged as frontrunners to win a crucial part of President Donald Trump's "Golden Dome" missile defense shield, six people familiar with the matter said. Musk's rocket and satellite company is partnering with software maker Palantir and drone builder Anduril on a bid to build key parts of Golden Dome,