Title not stated in source
The conversion occurred in August 1959, and the shreds were deleted in March 1964. No exact day is stated for either change.
- The record does not specify whether 272X2 became the A or 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 references 1 and 2.
- 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 · 272X2 · docs/legacy-data/usaf-osr-lineage-audit.md:65; Internet Archive full-text OCR lines 249-284; adjudicated excerpt in audit · cited by the explanation
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:29; Internet Archive full-text OCR lines 249-284; adjudicated excerpt in audit
Archive reader page 7 (opens in a new tab)