190506-N-FM230-0004 NATIONAL HARBOR, Md. (May 6, 2019) Commandant of the Marine Corps Gen. Robert Neller delivers remarks during the Sea Service Chiefs panel at the Sea-Air-Space (SAS) Exposition, May 6, 2019. The annual exposition, hosted by the Navy League of the United States, brings together key military decision makers, the U.S. defense industrial base, and private-sector U.S. companies for an innovative, educational, and professional maritime based event. (U.S. Navy photo by Mass Communication Specialist Seaman Apprentice Richard Rodgers/Released)