IAW DFARS 205.303, the following is described: Raytheon Company, Tucson, Arizona, has been awarded a $398,691,358 cost-plus-fixed-fee and cost-reimbursement undefinitized contract action for Advanced Medium Range Air-to-Air Missiles D4/C9 system requirements review and preliminary design review activities, to include proof of design and proof of manufacturing. This contract provides for Advanced Medium Range Air-to-Air Missiles D4/C9 system requirements review and preliminary design review activities, to include proof of design and proof of manufacturing. Work will be performed at Tucson, Arizona, and is expected to be completed by December 11, 2027. This contract involves foreign military sales to the United Arab Emirates, Argentina, Australia, Belgium, Bulgaria, Canada, Denmark, Estonia, Finland, Germany, Hungary, Israel, Italy, Japan, South Korea, Kuwait, Lithuania, Morocco, Netherlands, Norway, Peru, Poland, Romania, Singapore, Spain, Saudi Arabia, Sweden, Switzerland, Turkey, Taiwan, and the United Kingdom. Foreign military sales funds in the amount of $104,103,634 are being obligated at time of award. AFLCMC/EBUK, Robins AFB, Georgia is the contracting activity (FA8556-26-C-B003). (Awarded June 23, 2026)