May progress from AMHC, Chief Aviation Structural Mechanic, Hydraulics (E-7); AMEC, Chief Aviation Structural Mechanic, Safety Equipment (E-7); or AMSC, Chief Aviation Structural Mechanic, Structures (E-7) to AMCS; Senior Chief Aviation Structural Mechanic (E-8)
E8 only; converts to AFCM at E9; Manages, supervises, and administers airframe work centers of varying sizes; supervises aviation structural mechanics in the inspection, maintenance, and repair of aircraft, airframes, and hydraulic and pneumatic systems.