The Department of Defense, specifically the Department of the Navy through NAVSUP Weapon Systems Support, is soliciting proposals for the repair and modification of communication modems. This procurement is a sole source requirement, indicating that the government does not possess sufficient data to contract with any source other than the current approved supplier, necessitating Government Source Approval prior to award. The items are critical for maintaining operational capabilities in communication systems, and interested vendors must submit the required documentation as outlined in the NAVSUP WSS Source Approval Brochure. Proposals must remain valid for a minimum of 120 days, and inquiries should be directed to Cody Cameron at cody.p.cameron.civ@us.navy.mil.