The Department of Defense, specifically the Department of the Navy through NAVSUP Weapon Systems Support, is seeking contractors for the repair and modification of radio modulators under the presolicitation notice titled "58--MODULATOR, RADIO TRA, IN REPAIR/MODIFICATION OF." This procurement focuses on electronic countermeasures and related equipment, which are critical for enhancing military communication and operational capabilities. Interested parties can reach out to Stacey Ryan at (215) 697-1255 or via email at STACEY.A.RYAN4.CIV@US.NAVY.MIL for further details regarding the opportunity. The timeline for this procurement process and additional specifics will be provided in subsequent announcements.