Title not stated in source
The conversion is dated to August 1959 and the deletion to March 1964; no exact day is given for either.
- The record does not explicitly identify which former career ladder became the A shred and which became the B shred.
Source extraction notes
Source gives conversion to A and B shreds of the 272X0 pattern; shorthand is not expanded.
Source documents (1)
Reviewed September 23, 2026 against reference 1.
- Air Traffic Control and Combat Control Team Operations, AFS 272X0/D.
1. Internet Archive full-text OCR lines 249-284; adjudicated excerpt in audit · source dated December 1, 1980 · cited by the explanation
Archive reader page 7 (opens in a new tab)2.Quoted official passage · 272X1 · docs/legacy-data/usaf-osr-lineage-audit.md:64; Internet Archive full-text OCR lines 249-284; adjudicated excerpt in audit
Archive reader page 7 (opens in a new tab)3.Air Traffic Control and Combat Control Team Operations, AFS 272X0/D. · event transcription · docs/legacy-data/usaf-osr-lineage.jsonl:28; Internet Archive full-text OCR lines 249-284; adjudicated excerpt in audit
Archive reader page 7 (opens in a new tab)