This is a sources-sought synopsis for market research only; no solicitation is currently available and requests for one will not receive a response. The Defense Logistics Agency at Redstone Arsenal, Alabama, is seeking qualified manufacturing/supply sources for Patriot Missile Weapon System circuit card assemblies and multiple cable assemblies under NAICS 334412/335311 with size standards of 750/800 employees. The listed items carry AMC/AMSC codes 3C, 3P, and 3Q, generally requiring acquisition from actual manufacturers or approved sources, with alternate sources needing government engineering qualification, and the acquisition is currently limited under FAR 6.302-1. Offerors must meet prequalification requirements, firms are encouraged to seek source approval and identify themselves, and the contractor will bear recurring/nonrecurring engineering costs to become qualified plus manufacturing, supply-chain, logistics, obsolescence, and delivery responsibilities. The government encourages all business types, including 8(a), small business, small disadvantaged, service-disabled veteran-owned, HUBZone, and women-owned concerns, and notes export-control restrictions on technical data.