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Air Force · AFSC history

455X2A/B/C Title not stated in source

AFSC 455X2A/B/C was restructured and renamed AFSC 455X2, while a new AFSC 453X2 was created.

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Codes named in this history

Codes without a directory match

  • 455X2 stated by the source; matches no current specialty and no digitized legacy code
  • 453X2 stated by the source; matches no current specialty and no digitized legacy code

Documented history

Title not stated in source

The change took effect on 31 October 1992.

  • The record does not say how the former A, B, and C suffixes corresponded to the two resulting codes.
Source extraction notes

One source pattern split into a continuing restructured code and a newly created code.

Source documents (1)

Reviewed September 23, 2026 against references 1 and 2.

  • Aircraft Communication and Navigation Systems and Communication and Navigation Systems

    1. Internet Archive full-text OCR lines 590-625 (printed p. 1); adjudicated excerpt in audit · source dated January 1, 1994 · cited by the explanation

    2.Quoted official passage · 455X2A/B/C · docs/legacy-data/usaf-osr-lineage-audit.md:193; Internet Archive full-text OCR lines 590-625; adjudicated excerpt in audit · cited by the explanation

    3.Aircraft Communication and Navigation Systems and Communication and Navigation Systems · event transcription · docs/legacy-data/usaf-osr-lineage.jsonl:157; Internet Archive full-text OCR lines 590-625; adjudicated excerpt in audit

Historical information is drawn from the sources linked above. Classification dates are not personal service dates. Spot an error? Let us know.