Arlington (From left to right): President Joseph Biden, Vice President Kamala Karris, Secretary of Defense Lloyd Austin III, and U.S. Army Maj. Gen. Omar Jones IV, commanding general, Joint Task Force-National Capitol Region/U.S. Army Military District of Washington participate in a Presidental Armed Forces Full Honors Wreath-Laying Ceremony at the Tomb of the Unknown Soldier at Arlington National Cemetery, Arlington, Virginia, May 31, 2021. This was part of the National Memorial Day Observance. (U.S. Army photo by Elizabeth Fraser / Arlington National Cemetery)