The Pentagon is the headquarters building of the United States Department of Defense. As a symbol of the U.S. military, the phrase The Pentagon is also often used as a metonym for the Department of Defense and its leadership.
Defense Secretary Dr. Mark T. Esper; Air Force Gen. John E. Hyten, vice chairman of Joint Chiefs of Staff; and Air Force Gen. Tod D. Wolters, commander of U.S. European Command and NATO’s supreme allied commander for Europe, brief reporters at the Pentagon, July 29, 2020.
David F. Helvey, principal deputy assistant secretary of defense for Asian and Pacific security affairs, speaks on strategic competition in the Indo-Pacific region during the Center for a New American Security's annual conference in Washington, June 21, 2018.
Jonathan Rath Hoffman, assistant to the secretary of defense for public affairs, briefs reporters at the Pentagon
Thomas McCaffery, assistant secretary of defense for health affairs, joins Lernes Hebert, deputy assistant secretary of defense for military personnel policy, and Thomas Muir, the director of Washington Headquarters Services, to address coronavirus concerns at a Pentagon briefing, July 1, 2020.