Bill Nelson, administrator, National Aeronautics and Space Administration (NASA), watches the Changing of the Guard at the Tomb of the Unknown Soldier at Arlington National Cemetery, Arlington, Va., Jan. 26, 2023. Nelson was at ANC for the NASA Day of Remembrance, where several wreaths are laid at memorials and gravesites in memory of those men and women who lost their lives furthering the cause of exploration and discovery.

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Photo credit: © Operation 2023 / Alamy / Afripics
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Keywords: anc, arlington, army, cemetery, national, usa