The Georgia Tech Applied Research Corp., Atlanta, Georgia, is being awarded an indefinite-delivery/indefinite-quantity contract with a maximum amount of $121,000,000. Under this follow-on contract, the contractor will provide research, development, and engineering work related to sensors, weapons, and communication systems for ground and airborne-based missile defense platforms, investigation of new missile defense systems, and participation in future Department of Defense technology initiatives. Two task orders are being issued at this time in the amount of $9,377,126.00. The work will be performed in Atlanta, Georgia; and Huntsville, Alabama. The ordering period is Sept. 29, 2021, through Sep. 28, 2026 for this noncompetitive, cost-plus-fixed-fee contract. Fiscal 2021 funds in the amount of $938,962 are being obligated on this award via the two task orders. The Missile Defense Agency, Redstone Arsenal, Alabama, is the contracting activity (HQ0854-21-D-0002).