Who did Lloyd Austin succeed as Secretary of Defense?
Leon Panetta
Chuck Hagel
James Mattis
Mark Esper
Answer
The answer is Mark Esper. Mark Esper previously held the position of United States Secretary of Defense from 2019 to 2020, preceding Lloyd Austin. Esper's tenure as Secretary of Defense was marked by significant events such as the outbreak of the COVID-19 pandemic and shifts in U.S. foreign policy.
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