DAFI 21-101 ACC Sup TYNDALLAFB Sup is listed as currentCurrent in the AF e-Publishing catalog as of our last index refresh (2026-08-23). Status is mirrored from that catalog, re-checked weekly — every change is logged.
A Guidance Memorandum dated 2025-09-10 modifies this publication. DAFI 21-101 ACC Sup TYNDALLAFB Sup is still the current edition and its publication date has not changed — a GM is issued against an edition, takes effect immediately, and is normally folded into the next rewrite. The official PDF includes the GM at the front; if your saved copy predates 2025-09-10, download it again.
This supplement is older than the publication it supplements. DAFI 21-101 ACC Sup TYNDALLAFB Sup is dated 2022-12-06, but DAFI 21-101 was revised 2023-12-20 — 1 year later. A supplement adds local rules on top of its parent; when the parent moves, the supplement can conflict with it. Check both before relying on either.
Records in this branch carrying the same series and number — interim changes, guidance memoranda, and unit supplements. A copy stamped with one of these is a different document from the base publication.
Watch this publication
Get an email if DAFI 21-101 ACC Sup TYNDALLAFB Sup is revised, superseded, or rescinded.
This is an unofficial index built from the public catalog. The controlling copy is
always the one on AF e-Publishing — verify there
before citing DAFI 21-101 ACC Sup TYNDALLAFB Sup in an official product.