Science Applications International Corp., Reston, Virginia, was awarded a $19,645,446 modification (P00081) to contract W31P4Q-21-F-0095 for modeling and simulation engineering services. Work will be performed at Redstone Arsenal, Alabama, with an estimated completion date of March 14, 2025. Fiscal 2023 operation and maintenance, Army funds; and fiscal 2023 research, development, test and evaluation, Army funds in the amount of $19,645,446, were obligated at the time of the award. Army Contracting Command, Redstone Arsenal, Alabama, is the contracting authority.