Stellant Systems Inc., Torrance, California, was awarded a $13,993,087 firm-fixed-price indefinite-delivery requirements contract for the repair of AN/ALQ-161 electronic countermeasures and radio frequency surveillance traveling wave tube. This contract provides for the repair and return of electron tubes and associated hardware. Work will be performed in Torrance, California, and is expected to be completed by Sept. 29, 2030. This contract was a sole source acquisition. No funds are being obligated at the time of award. The Air Force Sustainment Center, Robins Air Force Base, Georgia, is the contracting activity (FA8522-24-D-0006).