The Department of Defense, specifically the Department of the Navy through NAVSUP Weapon Systems Support, is seeking contractors for the repair and modification of receivers used in countermeasure systems. This procurement focuses on electronic countermeasures, counter-countermeasures, and quick reaction capability equipment, which are critical for enhancing naval operational effectiveness and ensuring mission success. Interested vendors should note that the NAICS code for this opportunity is 334511, and the PSC code is 5865, indicating the specialized nature of the required services. For further inquiries, potential bidders can contact Tara B. Kupperstein at 215-697-3608 or via email at TARA.B.KUPPERSTEIN.CIV@US.NAVY.MIL.