NATIONAL HARBOR, Md. (August 2, 2021) The Naval Capital Region’s Ceremonial Guard parades the colors during the opening ceremony the Sea-Air-Space Exposition 2021. The Sea-Air-Space Exposition is an annual event that brings together key military decision makers, the U.S. defense industrial base and private-sector U.S. companies for an innovative and educational maritime based event. (U.S. Navy photo by Mass Communication Specialist 3rd Class Kyleigh Williams/Released)