Turboprop Propulsion Mechanic · Converted to 454X0B, effective October 31, 1988
Current-code formerly relation plus the report explicitly dates the direct classification conversion.
Sources
- Aerospace Propulsion Career Ladder AFSC 454X0A/B (Formerly 426X2/X3) (Internet Archive full-text OCR lines 335-370 (printed p. 1); adjudicated excerpt in audit)