The Boeing Co., El Segundo, California, has been awarded a $17,999,993 cost-plus-fixed-fee modification (P00045) to a previously awarded contract (FA8808-20-C-0047) for the evolved strategic satellite communications (SATCOM) rapid prototyping omnibus special study effort. This modification is for continued systems engineering support to evaluate and inform feasibility or usefulness for Space Segment functionality and design. This modification brings the total cumulative face value of the contract to $379,741,831. Work will be performed in El Segundo, California, and is expected to be completed by Feb. 28, 2025. Fiscal 2024 research and development funds in the amount of $6,000,000 are being obligated at the time of award. Space Systems Command, Los Angeles Air Force Base, California, is the contracting activity.