Secretary of Defense Jim Mattis, Deputy Secretary of Defense Bob Work, and Chairman of the Joint Chiefs of Staff Marine Gen. Joseph F. Dunford Jr. have no public or media events on their schedules.

Army Chief of Staff Gen. Mark Milley speaks at 10:30 a.m. EDT on Military Invention Day at the Smithsonian National Museum of American History, Constitution Ave. between 12th and 14th St. NW, Washington, District of Columbia.