NSWCDD's mission is to provide research, development, test and evaluation, analysis, systems engineering, integration and certification of complex naval warfare systems. Through the years, Dahlgren established itself as the major testing area for naval guns and ammunition. Today, it continues to provide the military with testing and certification by utilizing its Potomac River Test Range in Dahlgren, VA, and provides Fleet support at NSWCDD, Dam Neck Area, overlooking the Virginia Capes Fleet Operations Area, Virginia Beach, VA.