NATIONAL HARBOR, Md. (Aug. 3, 2021) Master Chief Petty Officer of the Navy (MCPON) Russell Smith, Master Chief Petty Officer of the Coast Guard Jason Vanderhaden, and Sergeant Major of the Marine Corps Troy Black participate in a Senior Enlisted Leader panel during the Sea-Air-Space Exposition. 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 1st Class Sarah Villegas)