Guests, including U.S. Chairman of the Joint Chiefs of Staff Gen. Mark Milley and U.S. Secretary of Defense Lloyd Austin, watch as a French elite acrobatic flying team soars over Tuesday's ceremony at the Normandy American Cemetery and Memorial. Lou Benoist/AFP via Getty Images hide caption
general mark milley
Chairman of the Joint Chiefs of Staff Gen. Mark Milley speaks during a briefing with Secretary of Defense Lloyd Austin in September at the Pentagon in Washington. The top U.S. military officer met with his Russian counterpart Wednesday Sept. 22, 2021 in Helsinki, Finland. Susan Walsh/AP hide caption
Chairman of the Joint Chiefs of Staff Gen. Mark Milley testifies during a House Armed Services Committee hearing on Capitol Hill in June. Michael Reynolds/AP hide caption
Authorities clear Lafayette Park in Washington, D.C., on Monday, while across the street at the White House, President Trump said he would send the military to U.S. cities if local officials don't end unrest. Alex Brandon/AP hide caption
Army Chief of Staff Gen. Mark Milley speaks on a panel during the Association of the United States Army's annual meeting on Oct. 5. Allison Shelley/Getty Images hide caption
President Trump has appointed Gen. Mark Milley to succeed Joint Chiefs Chairman Gen. Joseph Dunford. Andrew Harnik/AP hide caption