The 140th Maintenance Group is a United States Air Force unit based at Joint Base San Antonio-Randolph, Texas. This group falls under the 22d Operations Group and is part of the 502nd Air Base Wing. Its primary role encompasses maintenance operations for various aircraft types, ensuring the readiness of these assets for immediate deployment if needed. The group’s activities involve routine maintenance checks, repair work, equipment servicing, and logistics support to maintain optimal operational capabilities. Additionally, the 140th Maintenance Group offers specialized services, such as avionics and electrical systems repair, hydraulic repair, wheel and brake system repair, as well as structural repair and modification of aircraft.