The Department of Defense, through the Naval Surface Warfare Center Dahlgren Division (NSWCDD), is soliciting proposals for Weaponeering Courses and related materials, specifically targeting Worldwide Counter Threat Solutions (WCTS) as the sole source provider. The procurement includes both Introductory and Advanced Weaponeering Courses, along with associated books, emphasizing the need for continuity in training methodology and quality. This opportunity is critical for maintaining instructional consistency and ensuring effective training for defense personnel. Interested vendors must submit their quotes by December 15, 2026, with an anticipated award date of January 15, 2026. For further inquiries, contact Heather Hostinsky at heather.g.hostinsky.civ@us.navy.mil or by phone at 540-742-8882.