The firings come just weeks after a January fatal mid-air collision at Ronald Reagan Washington National Airport.
Buttigieg has recently spoken with labor leaders across Michigan and met with Whitmer and state Sen. Mallory McMorrow, a Democrat expected to enter the Senate race soon. Veteran Democratic strategist Lis Smith, a key adviser on Buttigieg’s 2020 presidential campaign and a close ally, has also worked with McMorrow in the past.