The Department of Defense, specifically the U.S. Army Corps of Engineers, is conducting market research through a Sources Sought notice for maintenance dredging services at the Duluth-Superior Harbor in Minnesota and Wisconsin. The project requires contractors to mobilize dredging equipment to perform mechanical dredging within designated areas of the harbor, with an estimated volume of dredged material ranging from 75,000 to 140,000 cubic yards, and depths of approximately 28 to 31 feet below Low Water Datum. This maintenance dredging is crucial for ensuring navigational safety and operational efficiency in the harbor, with the anticipated performance period set from June 15, 2026, to October 30, 2026. Interested parties must submit their responses, including a completed questionnaire detailing their capabilities and past project experience, to Contract Specialist Joseph Orlando and Contracting Officer Michelle Barr by 2:00 PM Eastern Time on January 5, 2026.