KBR Diego Garcia LLC, Houston, Texas, is awarded a $66,497,640 firm-fixed-price modification to exercise Option Five under previously awarded, indefinite-delivery/indefinite-quantity contract N62742-17-D-3600 for base operations support services at U.S. Naval Support Facility Diego Garcia. Award of this option brings the total cumulative contract value to $392,988,652. Work will be performed in Diego Garcia, British Indian Ocean Territory, and is expected to be completed by November 2023. No funds will be obligated at time of award. Fiscal 2023 operation and maintenance (Navy and Air Force); and fiscal 2023 non-appropriated funds in the amount of $21,747,671 for recurring work will be obligated on an individual task order issued during the option period and will expire at the end of the current fiscal year. The Naval Facilities Engineering Systems Command Far East, Yokosuka, Japan, is the contracting activity.