Presolicitation DEPT OF DEFENSE is seeking to procure MULTIPLE LAUNCH ROCKET SYSTEM CONTROL SECTION, GUI SPARES (NSN 1420-01-540-8608) from LOCKHEED MARTIN. This item is typically used for the Patriot weapon system in support of the US Army Aviation and Missile Life Cycle Management Command (AMCOM). The procurement is for a three-year period of performance. The item is restricted to LOCKHEED MARTIN COMPANY. Interested firms must meet prequalification requirements to be eligible for award. The closing date for the solicitation is estimated and may be adjusted. The SAM.GOV website will be used for issuing the solicitation and related information.