Player Embed Code: Download Embed Share Senior Defense Officials Brief Reporters at the Pentagon Defense.gov July 29, 2020 | 28:01 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.