The company pitched launching 400 to over 1,000 satellites to sense and track missiles, according to Reuters.

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.

Elon Musk’s SpaceX is frontrunner to win a $10 billion contract to build Donald Trump's proposed domestic missile shield, called—perhaps inevitably— the“Golden Dome.” Musk’s firm has formed a consortium with two other companies with close Trump ties—defense start-up Anduril,