Tiny Red HandsBack

James N. Mattis

This primary source from U.S. Department of Defense Historical Office supports 2 claims across 2 ledger entries.

Publisher
U.S. Department of Defense Historical Office
Published
Not listed
Accessed
2026-09-03
Source quality
primary

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Claims supported by this source

  1. factdocumented

    After Donald Trump selected James Mattis for secretary of defense, Mattis began serving on January 20, 2017.

    Mattis becomes Trump's first defense secretary · Served as defense secretary from January 2017 through December 2018 · reviewed 2026-09-03

  2. factdocumented

    James Mattis submitted his resignation on December 20, 2018, writing that Trump should have a defense secretary whose views were better aligned with his; Defense Department history records Mattis's term ending December 31, 2018.

    Mattis resigns over differences with Trump · Former secretary of defense · reviewed 2026-09-03