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Wearing face masks to reduce the risk of spreading the novel coronavirus, soldiers from the 3rd Infantry Regiment, also called the "Old Guard," place U.S. flags in front of every grave site ahead of the Memorial Day weekend in Arlington National Cemetery on May 21, 2020, in Arlington, Va.

Wearing face masks to reduce the risk of spreading the novel coronavirus, soldiers from the 3rd Infantry Regiment, also called the "Old Guard," place U.S. flags in front of every grave site ahead of the Memorial Day weekend in Arlington National Cemetery on May 21, 2020, in Arlington, Va. (Chip Somodevilla/Getty Images)