On Wednesday morning, February 18, 2026, His Excellency Lieutenant General Dok Sopha, Rector of the National Defense University, met with a delegation from the Department of Regional Studies of the National Institute for Defense Studies, Japan, led by Dr. Shoji Tomotaka, Director of the Department, for an exchange of views on regional and global security, political developments, and international relations. The discussion also highlighted the role of higher education institutions in advancing knowledge and cooperation in the field of national defense.