The Department of Defense, through the Defense Logistics Agency, is seeking proposals for the procurement of hydrophones for sonar applications. This solicitation requires compliance with specific quality assurance standards, including ISO 9001, and mandates first article testing and production lot testing to ensure the products meet stringent military specifications. Hydrophones are critical components used in underwater sound detection systems, which play a vital role in national defense and maritime operations. Interested vendors must submit their quotes by December 12, 2025, and can direct inquiries to Jeremy Crow at jeremy.crow@dla.mil for further information.