Engineering Supt · Converted to 3E591, effective October 31, 1993
AFMAN 36-2108 Attachment 1 maps predecessor AFSC 55390 to AFSC 3E591; the cited table is effective 31 October 1993.
Sources
- AFMAN 36-2108, Airman Classification (Attachment 1, p. 92; table effective 31 Oct 1993)