This is a market research notice for labor to assemble, test, and integrate hardware for Qatar PATRIOT spares. The work is intended for placement on an existing contract held by Raytheon, which is currently identified as the only responsible source for this non-competitive acquisition. The performance location is not specified in the provided description. The notice seeks to identify all potential qualified sources, including small businesses, for possible future competitive opportunities. Interested contractors must be capable of handling the full production process and must meet prequalification requirements.