OC-ALC:FMA

The OC-ALC/FMA refers to the **Oklahoma City Air Logistics Complex, Field Maintenance Activity**. The OC-ALC, located at Tinker Air Force Base in Oklahoma, is one of the largest units in the Air Force Materiel Command, responsible for depot-level maintenance, repair, and overhaul of aircraft, engines, and components. The Field Maintenance Activity (FMA) specifically supports sustainment operations, delivering rapid field-level maintenance capabilities for the Air Force’s global mission. Throughout its history, OC-ALC/FMA has played a crucial role in ensuring fleet readiness for critical platforms such as the B-52 Stratofortress, KC-135 Stratotanker, and E-3 Sentry, adapting to evolving technologies and operational needs since its origins in World War II.