Sierra Nevada Corp., Fort Walton Beach, Florida, was awarded a not-to-exceed $13,081,102 undefinitized contract action for A-29C fleet sustainment. This contract provides for continued support of A-29C aircraft, training devices, mission planning and debrief systems, line replaceable units, alternate mission equipment, ground support equipment, test equipment, commercial technical publications, and associated spares. Work will be performed at Edwards Air Force Base, California, and is expected to be completed Feb. 28, 2026. This contract was a sole-source acquisition. The Air Force Life Cycle Management Center, Wright Patterson AFB, Ohio, is the contracting activity (FA8637-25-C-B002).