Liquid Fuels Systems Maintenance · Converted to 3E4X2, effective October 31, 1993
The official report states the ladder was created in October 1993 by conversion from AFSC 545X1 to AFSC 3E4X2. Confidence: high.
Sources
- Liquid Fuel Systems Maintenance, AFSC 3E4X2 (Introduction, report p. 1)
- Liquid Fuel Systems Maintenance, AFSC 3E4X2 (Internet Archive full-text OCR lines 455-490 (printed p. 1); adjudicated excerpt in audit)