Pinnacle Solutions Inc., Huntsville, Alabama, has been awarded a $20,562,123 firm-fixed-price modification (P00040) to previously awarded contract FA8621-16-C-6281 for support of the KC-10 training system. This modification provides for the exercise of the fourth year option and incorporates within scope changes to contractual requirements resulting from a mutual agreement of the parties, and brings the total cumulative face value of the contract to $100,583,419. Work will be performed at Travis Air Force Base, California; Joint Base McGuire-Dix-Lakehurst, New Jersey; and Fairfield, California. Work is expected to be complete by Dec. 31, 2019. Fiscal 2019 operations and maintenance funds in the amount of $20,316,980 are being obligated at the time of award. Air Force Life Cycle Management Center, Wright-Patterson AFB, Ohio, is the contracting activity.