This is a market research notice from the Defense Logistics Agency at Redstone Arsenal, Alabama, seeking potential manufacturers for multiple items supporting the Patriot Weapons System. The agency is identifying sources to determine if future procurement can be competitive or set aside for small businesses, and it encourages all business types to express their capability. Firms must meet prequalification requirements and are responsible for all engineering, manufacturing, and supply chain aspects to become an approved source. This is not a solicitation, and no funds are available for response preparation. The notice includes a list of specific part numbers and NAICS codes for the required items.