NATIONAL HARBOR, Md. (April 9, 2024) Secretary of the Navy Carlos Del Toro delivers the keynote remarks at the Navy League of the United States Sea-Air & Space Exposition 2024 at National Harbor, Maryland, April 9, 2024. Del Toro discussed the strategic imperative to constantly assess the relevance of our science and technology work to naval power and operational problems and opportunities. (U.S. Navy photo by Mass Communication Specialist 2nd Class Jared Mancuso)