Defense Secretary James Mattis donned his academic regalia on Saturday as he received an honorary doctorate from an international affairs school.
Mattis received the honorary law degree after his commencement address to a group of students at the Institute of World Politics, a graduate school in Washington, D.C., focused on national security and military strategy.
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A Defense Department Twitter account posted photos of Mattis receiving a stole and posing for pictures with the graduates.
Mattis earned his bachelor’s degree from Central Washington University in 1971 and his master’s degree from National War College at National Defense University in 1994.
Mattis, long known as an intellectual among the ranks of the U.S. Marine Corps, served as head of U.S. Central Command before President Trump tapped him for Defense chief.