The Boeing Co., St. Louis, Missouri, has been awarded a maximum $13,100,000 firm-fixed-price subsumable contract (SPE4AX-24-D-9404) against a 15-year umbrella contract (SPRPA1-12-D-0001U) with no option periods for engineering and supply chain analysis sustainment support. This was a sole-source acquisition under 10 U.S. Code 3204 (a)(1), as stated in Federal Acquisition Regulation 6.302-1. This is a one-year base contract with four one-year option periods. The performance completion date is Nov. 21, 2024. Using customer is Defense Logistics Agency. Type of appropriation is fiscal 2024 through 2025 defense working capital funds. The contracting activity is the Defense Logistics Agency Aviation, Richmond, Virginia.