The Department of Defense, specifically the Department of the Navy through NAVSUP Weapon Systems Support, is seeking contractors for the repair and modification of electronic countermeasure receivers. The procurement involves a quantity of 14 units of the National Stock Number (NSN) 0R-5865-016631881-F8, with a Technical Data Package (TDP) version 001, and delivery is required on a Free on Board (FOB) origin basis. These electronic countermeasures are critical for enhancing operational capabilities and ensuring effective defense mechanisms. Interested parties should reach out to Autumn M. Rau at (717) 697-4313 or via email at AUTUMN.M.RAU2.CIV@US.NAVY.MIL for further details regarding this presolicitation opportunity.