The Trump administration is expanding its search for partners to build the Golden Dome missile defense system, courting Amazon.com's Project Kuiper and big defense contractors as tensions with Elon Musk threaten SpaceX's dominance in the program,

The new US missile defense system will explore alternatives to Elon Musk's SpaceX, with Amazon. com's Project Kuiper among the main contenders.

The Golden Dome aims to shoot missiles out of the sky before they reach U.S. soil, similar to Israel’s Iron Dome. The push to diversify the project comes as Trump repeatedly threatened to sever all federal ties with SpaceX following his and Musk’s spectacular falling-out.