The 12th Maintenance Group was reorganized in January, 2017 from a directorate and has three squadrons. It is entirely manned by civil servants. The group executes more than 40,000 flight hours annually supporting six training operations squadrons. The agency is responsible for overall fleet health for 189 aircraft assigned at both JBSA-Randolph and NAS Pensacola. The group provides on-equipment and off-equipment maintenance support for T-1A, T-6 and T-38C aircraft. Aircraft maintenance is performed using 20 separate facilities including management of the base Repair Cycle Management Program, avionics, electrical and aerospace ground equipment, Quality Assurance, as well as aircraft sheet metal and structural fabrication and repair. The group also operates a Precision Measurement Equipment Laboratory, the regional paint blasting facility, oversees the Transient Alert function and T-38C, T-6A and T-1A Contractor Operated and Maintained Base Supply functions.