The Department of Defense, specifically the Department of the Navy through NAVSUP Weapon Systems Support, is seeking to procure 13 units of a Radio Tra Modulator under a presolicitation notice. The procurement is intended for a specific item identified by NSN 0R-5865-016631882-F8, with the Government planning to negotiate with only one source due to the unique nature of the requirement. This modulator is critical for electronic countermeasures and related capabilities, underscoring its importance in defense operations. Interested parties are encouraged to express their interest and capability to respond within 45 days of the notice, with all communications directed to Autumn M. Rau at AUTUMN.M.RAU2.CIV@US.NAVY.MIL.