Northrop Grumman Systems Corp., Oklahoma City, Oklahoma, has been awarded a minimum $11,598,076 delivery order (SPRTA1-24-F-0095) and modification (P00008) to a four-year subsumable base contract (SPRTA1-19-D-0001) with one five-year option period for additional pricing for the manufacture and production of B-2 aft liner spares. This is a firm-fixed-price, indefinite-quantity contract. Location of performance is California, with a Jan. 31, 2029, performance completion date. Using military service is Air Force. Type of appropriation is fiscal 2024 defense working capital funds. The contracting activity is the Defense Logistics Agency Aviation, Tinker Air Force Base, Oklahoma.