Northrop Grumman Systems Corp., Linthicum Heights, Maryland, has been awarded a firm-fixed-price modification (P00106) of $55,920,942 to previously awarded contract FA8615-17-C-6047 for F-16 aircraft radar systems. Work will be performed in Linthicum Heights, Maryland, and is expected to be completed May 30, 2031. The total cumulative face value of the contract is $1,609,959,929. Fiscal 2023 Air Force aircraft procurement funds in the amount of $35,209,482; fiscal 2022 and 2023 National Guard and Reserve Equipment Activity funds in the amount of $14,498,022; and fiscal 2022, 2023, and 2024 Navy aircraft procurement funds in the amount of $6,213,438, for a total of $55,920,942, are being obligated at the time of award. The contracting activity is Air Force Life Cycle Management Center, Wright-Patterson Air Force Base, Ohio.