PHILADELPHIA --- American Ordnance, a joint venture led by Day & Zimmermann, has been awarded a contract with the U.S. Army to continue to operate and maintain the Iowa Army Ammunition Plant in Burlington, Iowa, and the Milan Army Ammunition Plant in Milan, Tennessee. The contract includes a 10-year base contract period and options to extend it an additional 15 years.>> The American Ordnance joint venture includes Alliant Techsystems, a leading aerospace and defense company. Day & Zimmermann and ATKs combined Government Owned-Contractor Operated (GOCO) facility management expertise creates a best-value solution that will ensure the future viability and responsiveness of these strategic national assets.>> American Ordnance, which has been the operating contractor at Iowa and Milan Army Ammunition Plants (AAPs) since 1998, will continue to manufacture a wide variety of ammunition products while providing a portfolio of support services including security and fire protection services, environmental management, property management, building/grounds/infrastructure maintenance and tenant support.>> As one of the Armys leading munitions contractors, we are committed to bringing innovative approaches and proven best practices to this important and long-standing relationship, said Michael Yoh, president and CEO, Munitions & Government for Day & Zimmermann. We are confident we have assembled a world-class team under American Ordnance that will continue to produce the highest quality munitions and achieve our customers goals.>> We are dedicated to the future viability of these critical industrial capabilities, ensuring that they remain fully capable and responsive to the emerging demands of the Joint Warfighter, said Mark DeYoung, president of ATK Armament Systems. Our vision includes a strategic partnership with the U.S. Army Joint Munitions and Lethality Life Cycle Management Command (JM&L LCMC) focused on facility optimization and modernization, and the continuous delivery of quality munitions.