This is a sources-sought notice for a potential two-year task order to provide comprehensive technical assistance and maintenance support for the PATRIOT Missile System in the Kingdom of Bahrain. The work includes New Equipment Training, operational and maintenance support for radar and communications equipment, and maintenance management at tactical sites. The USG plans to award without providing proprietary technical data, so the offeror must be able to fulfill requirements independently. The notice is for market research only; no solicitation exists, funding is not authorized, and the government has identified Raytheon Company as the only currently known source. Responses are voluntary and should be sent to the provided government points of contact.