Mr. Michael Durkin, Director of the Navy Warfare Development Center (NWDC), speaks with U.S. Senator Tim Kaine (VA) during his visit to NWDC in Norfolk, Va., on Aug. 4, 2025. Senator Kaine, a member of the Senate Armed Services Committee, received an overview of the Navy’s evolving warfighting concepts and preparations for Large Scale Exercise (LSE) 2025, which will test the Fleet’s ability to conduct integrated, distributed maritime operations across multiple theaters.