The Defense Logistics Agency is conducting market research to identify potential sources for the manufacture of several parts for the Patriot Missile Weapon System, including a power supply, cable assemblies, and a circuit card. These items are currently procured under limited-source justification due to unavailable technical data, and interested firms must seek source approval to compete for future contracts. The performance location is Redstone Arsenal, Alabama, and the government is particularly interested in responses from small businesses, including 8(a), HUBZone, and service-disabled veteran-owned concerns. No solicitation is currently available, and this notice is for informational purposes only, with no funds available to pay for response preparation. Foreign firms must process requests through their respective embassies, and all offerors must meet prequalification requirements to be eligible for award.