Player Embed Code: Download Embed Share Biden, Austin Honor Fallen Service Members Defense.gov May 29, 2023 | 55:01 President Joe Biden lays a wreath at Arlington National Cemetery’s Tomb of the Unknown Soldier in honor of U.S. military members who have died in service to the country. As part of the Memorial Day observance, Secretary of Defense Lloyd J. Austin III hosts a program in the cemetery’s Memorial Amphitheater.