Rolls-Royce Corp., Indianapolis, Indiana, was awarded a $714,030,586 firm-fixed-price, indefinite-delivery/indefinite-quantity contract for T108 AE2100 engine sustainment. This contract provides for the technical, logistics, engineering, maintenance, repair, and overhaul services required to provide long-term sustainment of the C-130J R391 propeller, nacelle, the powerplant assembly, whole engines, and line replaceable units. Work will be performed at Robbins Air Force Base, Georgia, within the contiguous U.S., and outside the contiguous U.S., and is expected to be complete by Nov. 30, 2032. This contract was a sole source acquisition. Fiscal 2023 operations and maintenance funds in the amount of $20,385,749 will be obligated at the time of award. The Air Force Life Cycle Management Center, Tinker Air Force Base, Oklahoma, is the contracting activity (FA8124-23-D-0002).