National Aerospace Solutions LLC, Arnold Air Force Base, Tennessee, has been awarded a $176,387,091 modification (P00192) to contract FA9101-15-C-0500 for test operations and sustainment. This modification provides for test operations, technology development, equipment and facility sustainment, capital improvements and some support services for Arnold Engineering Development Complex. Work will be performed at Arnold AFB, Tennessee, and is expected to be completed by June 30, 2023. The overall value of the contract is $2,055,250,085. Fiscal 2023 operations and maintenance and research and development funds are being used and no funds are being obligated at the time of award. The Air Force Test Center, Arnold Air Force Base, Tennessee, is the contracting activity.