Rockwell Collins Inc., Military Avionics & Helicopters, Cedar Rapids, Iowa, has been awarded a $99,600,000 indefinite-delivery/indefinite-quantity contract for avionics sustaining engineering services. This contract provides for propitiatory engineering services and support for recurring and non-recurring requirements relating to the E-3 Airborne Warning and Control System. Work will be performed in Cedar Rapids, Iowa, and is expected to completed by Feb. 11, 2032. This contract is 35 percent Foreign Military Sales to NATO. This award is the result of a sole source acquisition. Fiscal 2022 operations and maintenance funds in the amount of $838,118 are being obligated at the time of award. Air Force Life Cycle Management Center, Tinker Air Force Base, Oklahoma, is the contracting activity (FA8102-22-D-0001). (Awarded Feb. 11, 2022)