The Department of Defense, specifically the U.S. Army Corps of Engineers, is seeking to award a sole-source contract to Aquatechnex, LLC for the development and field verification of precision submersed herbicide applications in the Columbia River Basin. The objective of this procurement is to enhance techniques for controlling invasive plant populations, such as flowering rush and milfoil, through specialized field services and assessments in collaboration with federal partners and stakeholders. This initiative is critical for improving the efficacy and cost-effectiveness of invasive species management strategies in public water bodies, particularly in Washington, Oregon, Idaho, and Montana. Interested parties must submit their capability statements via email to Amanda Andrews and Sonia Boyd by 11:30 AM Central Time on April 22, 2025, as no competitive proposals will be accepted.