190508-N-MP588-0003 NATIONAL HARBOR, Md. (May 8, 2019) Rear Adm. Danelle Barrett, Navy cybersecurity division director (OPNAV N2N6G), explains the Navy's information warfare posture at the 2019 Sea-Air-Space Exposition. 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 1st Class William Mosley/Released)