The Department of Defense, through the Naval Sea Systems Command (NAVSEA), is soliciting proposals for the development, integration, testing, production, and installation of the Submarine Tethered Expendable Buoy (STEB) system. This system is designed to provide submerged submarines with a surface buoy platform that enhances communications, situational awareness, and collision avoidance capabilities. The procurement is critical for advancing naval operations and ensuring effective underwater communication and safety. Interested offerors must comply with the solicitation requirements and submit their proposals by the due date of September 23, 2024, while adhering to strict guidelines regarding secure communication protocols and documentation submissions. For further inquiries, potential contractors can contact Sydney Cline at sydney.m.cline.civ@us.navy.mil or Patrick Dooley at patrick.s.dooley3.civ@us.navy.mil.