Sierra Nevada Corp., Sparks, Nevada, has been awarded a $23,702,941 cost-plus-fixed-fee modification (P-00021) to previously awarded contract FA8509-17-C-0002 for the permanent installation of the MC-130J Airborne Mission Networking (AbMN) Program. This modification provides for the procurement of additional hardware and labor necessary to support the AbMN program through flight test. Work will be performed in Sparks, Nevada, and is expected to be complete by Nov. 16, 2021. Fiscal year 2018 procurement funds in the amount of $12,293,268; and fiscal year 2019 procurement funds in the amount of $11,409,673 are being obligated at the time of award. This modification brings the total cumulative face value of the contract to $67,977,580. Air Force Life Cycle Management Center, Robins Air Force Base, Georgia, is the contracting activity.