The Department of Defense, through the Naval Information Warfare Center (NIWC) Atlantic, intends to award a Firm-Fixed-Price purchase order on a noncompetitive basis to Science Applications International Corporation (SAIC), Inc. for the replacement or remanufacturing of the OA-9243A(V)3 Antenna Tilt Group (ATG). This procurement is critical for maintaining operational capabilities, as the OA-9243A(V)3 ATG is essential for various naval communication systems. Interested parties can direct inquiries to Contract Specialist Bryce W. Wasser at bryce.w.wasser.civ@us.navy.mil or by phone at 843-209-2843, with the understanding that this pre-solicitation notice pertains to two separate actions due to differing funding appropriations.