Player Embed Code: Download Embed Share Veterans Day Observance Arlington National Cemetery Defense.gov Nov. 11, 2020 | 10:32 Robert Wilkie, secretary of Veterans Affairs, lays a wreath at the Tomb of the Unknown Soldier during a Presidential Armed Forces Full Honor Wreath-Laying Ceremony at Arlington National Cemetery, Va., Nov. 11, 2020. The ceremony is held in recognition and commemoration of the veterans who have served in the U.S. uniformed services.