Raytheon Missiles and Defense, Tucson, Arizona, has been awarded a $407,599,797 cost-plus-fixed-fee modification (P00016) to previously awarded task order (FA8656-22-F-A071) for Hypersonic Attack Cruise Missile-Southern Cross Integrated Flight Research Experiment (HACM-SCIFiRE). Work will be performed at Tucson, Arizona, and is expected to be completed by Dec. 31, 2028. Fiscal 2023 research, development, test and evaluation funds in the amount of $27,114,155 are being obligated at time of award. The Air Force Life Cycle Management Center, Armament Directorate, Agile Weapons Division, HACM-SCIFiRE Program Office, Eglin Air Force Base, Florida, is the contracting activity.