The Department of Defense, specifically the Department of the Navy through NAVSUP Weapon Systems Support Mechanicsburg, is soliciting bids for the procurement of a TEST SET ANTENNA. This contract requires the manufacture of the antenna in compliance with strict quality standards, including ISO 9001, and mandates that all materials be free from mercury contamination, as the items will be used on submarines and surface ships. The procurement is critical for maintaining operational readiness and ensuring the reliability of naval systems. Interested vendors must submit their quotes electronically to the designated contact, Stephanie R. Perez, at STEPHANIE.R.PEREZ1@NAVY.MIL, by the extended deadline of December 29, 2025, with a firm-fixed price proposal and detailed cost breakdown.