HOI 10-4 is listed as current in the AF e-Publishing catalog (publication date 2026-02-18).

Where do I download the official HOI 10-4?

The official copy is published on AF e-Publishing (https://www.e-publishing.af.mil).

HOI 10-4 — Air Force Medical Service Governance

HOI 10-4 is listed as current Current
in the AF e-Publishing catalog as of our last index refresh (2026-07-11).

Branch	U.S. Air Force
Series	HOI
Publication date	2026-02-18 (0.4 years ago)
Status	Current
Proponent / OPR	AF/SG
Source of record	AF e-Publishing

Official document (AF e-Publishing)

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Nearby in the HOI series

HOI 10-1 — Emergency Response on the Pentagon Reservation Current
HOI 10-2 — Air Force Crisis Action Team Organization, Manning, and Operations Current
HOI 10-3 — Continuity of Operations Program Not in the current catalog
HOI 16-1 — (SECAF)/CHIEF of Staff of the Air Force (csaf) Counterpart Visit (cpv) and Air Chiefs Symposium (acs) Programs Current
HOI 23-1 — In the National Capital Region (ncr) Current

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 HOI 10-4 in an official product.