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

For all the insults that Mr. Musk and Mr. Trump traded on Thursday, don’t be surprised if they make up again days from now. In the meantime, they both benefit.