Player Embed Code: Download Embed Share Austin, Milley Hold Press Conference on Ukraine Defense.gov July 20, 2022 | 34:05 Secretary of Defense Lloyd J. Austin III and Army Gen. Mark A. Milley, chairman of the Joint Chiefs of Staff, hold a news conference at the Pentagon following a virtual meeting of the Ukraine Defense Contact Group. The group is coordinating aid for Ukraine’s defense after Russia’s unprovoked invasion.