The Department of Defense, through the U.S. Army Combat Capabilities Development Command – Chemical Biological Center (DEVCOM CBC), is initiating a procurement opportunity for the operation and maintenance of the Quad Cities Cartridge Case Facility (QCCCF) located in Rock Island, Illinois. The selected contractor will be responsible for all aspects of facility operation, including maintenance, safety, and security, while also proposing innovative work to meet both Department of Defense and commercial needs. This initiative is part of the Cornerstone Other Transaction Agreement (OTA), aimed at strengthening the U.S. Manufacturing and Defense Industrial Base, and is restricted to members of the Cornerstone Consortium. Interested entities must have an active registration in SAM.gov and a signed Cornerstone Consortium Management Agreement to be eligible for proposal submission. For further inquiries, interested parties can contact the Cornerstone Team via email at usarmy.ria.devcom-cbc.mbx.cornerstone-ota@army.mil.