1A138D Executive Mission Aviator, Apprentice, C-37 Flight Engineer Executive Mission Aviator, Journeyman, C- 37 Flight Engineer Executive Mission Aviator, Craftsman, C-37 Flight Engineer Executive Mission Aviator, Senior Enlisted Leader, C-37 Flight Engineer

Executive Mission Aviator, Apprentice, C-37 Flight Engineer Executive Mission Aviator, Journeyman, C- 37 Flight Engineer Executive Mission Aviator, Craftsman, C-37 Flight Engineer Executive Mission Aviator, Senior Enlisted Leader, C-37 Flight Engineer · Renamed to 1A138D, effective October 31, 2025

CS&CIG source assertion (not labeled): The AFSC/SFSC is retitled. Conversion instructions: MPS: 4, 5 AFPC: 4, 5, 9 Manpower: 4, 5, 10 The identifier is unchanged; a self-successor records the source-stated occupational retitle.