Elon Musk pushed Federal Aviation Administration Chief Michael Whitaker from his post just 10 days before the deadly plane and Black Hawk helicopter crash over Washington, DC.
The former FAA head tussled with Musk and wanted to fine SpaceX for safety violations. He resigned after Trump won the election and hasn't been replaced.
It appears that the first major air disaster in the U.S. since 2009 has occurred while the Federal Aviation Administration does not have a permanent leader.
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