This is a Sources Sought Notice for market research, not a solicitation, seeking industry input on producing the Guided Multiple Launch Rocket System (GMLRS) for the U.S. Army. The scope includes production, tooling, engineering changes, and supporting activities for GMLRS unitary, alternative warhead, and extended range variants. The government anticipates a total requirement of 133,014 rockets across fiscal years 2028 through 2034, at a maximum annual production rate of 19,002 rockets, with initial deliveries starting in February 2030. Interested parties are asked to submit a capabilities statement detailing their technical approach, manufacturing capacity, subcontractor management, and schedule to meet these quantities. No budget amounts or performance location are specified in the notice.