Avantus Federal LLC, McLean, Virginia, is awarded a modification (HQ003423F0163) valued at $125,658,160 to a level-of-effort, firm-fixed-price, cost, time-and-material contract (GD00Q140ADU133) to provide technical, professional, and administrative support to the Strategic Capabilities Office. Fiscal 2023 and 2024 research, development, test and evaluation funds in the amount of $2,792,577 will be obligated at the time of award. The total amount of this action if all options are exercised is $140,218,588. The contractor will support the Department of Defense Strategic Capabilities Office with technical, professional, and administrative support to enable effective execution of mission objectives including strategic planning support, capability assessment and technical evaluation, project execution and technical support, specialized support, financial and budget planning, general administrative services, and program security support. The work will be performed at the Pentagon Reservation; and at sites in Chantilly, Virginia; and Arlington, Virginia. The estimated completion date is April 30, 2028. Washington Headquarters Services, Arlington, Virginia, is the contracting activity.