Title not stated in source
The change took effect on 31 October 1992.
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.
Codes named in this history
Historical steps
The source names a code the branch later retired, or whose reviewed record is historical. Its story continues on that code's own page.
- 455X2Title not stated in source · historical code
Listed as becoming 2A1X3. No directory or archive record matches.
- 453X2Title not stated in source · historical code
Listed as becoming 2A4X2. No directory or archive record matches.
Documented history
Sources and limitations
- The record does not say how the former A, B, and C suffixes corresponded to the two resulting codes.
Source notes
One source pattern split into a continuing restructured code and a newly created code.
Source documents (1)
Reviewed September 23, 2026 against reference 1.
- Aircraft Communication and Navigation Systems and Communication and Navigation Systems
Source date: January 1, 1994
Location: Internet Archive full-text OCR lines 590-625 (printed p. 1); adjudicated excerpt in audit
Used in the reviewed explanation.
Quoted official passage · 455X2A/B/C
Location: docs/legacy-data/usaf-osr-lineage-audit.md:193; Internet Archive full-text OCR lines 590-625; adjudicated excerpt in audit
Used in the reviewed explanation.
Aircraft Communication and Navigation Systems and Communication and Navigation Systems · event transcription
Location: 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.