Player Embed Code: Download Embed Share Top Defense Officials Discuss Artificial Intelligence Defense.gov Sept. 9, 2020 | 37:42 Defense Secretary Dr. Mark T. Esper and Michael Kratsios, acting undersecretary of defense for research and engineering, discuss artificial intelligence at the Defense Department’s Artificial Intelligence Symposium and Exposition, Sept. 9, 2020. Their discussion focuses on the DOD’s current activities, future direction and challenges in artificial intelligence. The two-day, virtual event brings defense officials together with representatives from industry, academia and the government to discuss AI operations.