The worried reaction within space and national security agencies highlights the risks of government’s exclusive dependence on SpaceX for crucial tasks, including classified missions.

Steve Bannon, a former adviser to President Trump and a vocal critic of Elon Musk, urged Trump to retaliate against the SpaceX leader by targeting his business. Bannon said on his “War Room Live” show

President Donald Trump threatened to cut government contracts with Elon Musk amid feud, while the SpaceX CEO suggested decommissioning Dragon.

In an interview with NBC News, the president also said he assumes his relationship with the tech billionaire is over following their recent falling out.

Donald Trump said on Saturday there would be "serious consequences" if Elon Musk funds U.S. Democrats running against Republicans who vote for the president's sweeping tax-cut and spending bill and said his relationship with his billionaire donor is over.

Elon Musk had toyed with the idea of backing another party - including a third party - in the wake of his falling out with President Donald Trump.