The Department of Defense, specifically the Department of the Navy through NAVSUP Weapon Systems Support, is seeking to procure ten units of a transmitter, part number 2680605G001, under a presolicitation notice. This procurement involves the repair and modification of the specified transmitter, which is categorized under electronic countermeasures and is critical for military operations. The government intends to negotiate with only one source for this requirement, and interested parties are encouraged to submit their capabilities or proposals within 45 days of the notice publication. For further inquiries, potential vendors can contact Autumn M. Rau at (717) 697-4313 or via email at AUTUMN.M.RAU2.CIV@US.NAVY.MIL.