Esper Briefing Defense Secretary Dr. Mark T. Esper briefs the news media at the conclusion of the 2020 Australia-U.S. Ministerial Consultations in Washington, July 28, 2020. SHARE: Download: Full Size (2.35 MB) Tags: Defense Secretary, Esper Credit: Marvin Lynchard, DOD VIRIN: 200728-D-FW736-002.JPG Photo Gallery