CACI Inc.-Federal, Chantilly, Virginia, has been awarded a not-to-exceed $10,365,669 modification (P00003) to previously awarded labor-hour contract HQ042320F0099 for comptroller mission systems support for the Office of the Under Secretary of Defense (Comptroller). This modification exercises the remaining 10 months of Option Year 1 with a period of performance of Aug. 16, 2021, through June 15, 2022. The first two months of the period of performance were incrementally funded at $2,103,462, and this action in the amount of $10,365,669 funds the balance of the option period.  The modification brings the total cumulative face value of the contract to $22,704,985 from $12,339,317. Work will be performed in Chantilly, Virginia, with an expected completion date of June 15, 2022. Fiscal 2021 Office of the Undersecretary of Defense (Comptroller) defense-wide operations and maintenance funds in the amount of $10,365,669 are being obligated at the time of the award. The Defense Finance and Accounting Service, Contract Services Directorate, Columbus, Ohio, is the contracting activity (HQ0423-20-F-0099).