DAHLGREN, Va. (Jan. 29., 2025) – Naval Support Facility (NSF) Dahlgren, Va., and NSF Indian Head, Md., will participate in the Navy’s exercise Citadel Shield-Solid Curtain 2025 (CS-SC25) security exercises, Feb. 3-14. These regularly-scheduled, annual drills enhance the capability of Navy Security Forces to defend the Navy and America against any threat. All Navy installations in the continental United States will be participating the exercise.