General Atomics Aeronautical Systems Inc., Poway, California, has been awarded a $21,547,240 modification (P00004) to cost-plus-fixed-fee contract HR001123C0016 to exercise Option One of the Liberty Lifter program. The modification brings the total cumulative face value of the contract to $29,514,384.00 from $7,967,144. Work will be performed in Poway, California, with an estimated completion date of July 2024. Fiscal 2023 research and development funds in the amount of $4,897,610 are being obligated at the time of award. The Defense Advanced Research Projects Agency, Arlington, Virginia, is the contracting activity.