BY ORDER OF THE
SECRETARY OF THE AIR FORCE
AIR FORCE INSTRUCTION 21-103
30 APRIL 2020
AIR NATIONAL GUARD
Supplement
3 SEPTEMBER 2020
Maintenance
EQUIPMENT INVENTORY, STATUS
AND UTILIZATION REPORTING
COMPLIANCE WITH THIS PUBLICATION IS MANDATORY
ACCESSIBILITY: Publications and forms are available for downloading or ordering on the
e-Publishing web site at www.e-Publishing.af.mil
RELEASABILITY: There are no releasability restrictions on this publication
OPR: AF/A4LM
Supersedes: AFI21-103, 21 January 2020
Certified by: SAF/AQD
(Angela L. Tymofichuk)
Pages: 179
(ANG)
OPR: NGB/A4MY
Supersedes: AFI21-103_ANGSUP_ADD-
A, 1 August 2009
Certified by: NGB/A4
(BGen Russell L. Ponder)
Pages: 11
This publication implements Air Force Policy Directive (AFPD) 21-1, Maintenance of Military
Materiel; and is consistent with AFPD 13-5, Air Force Nuclear Mission. It is the basic Air Force
Instruction (AFI) that establishes inventory, status, and utilization reporting requirements and
provides guidance and direction for managing mission-essential systems and equipment hereafter
referred to collectively as “weapon systems”. It is applicable to Regular Air Force, Air Force
Reserve (AFR), Air National Guard (ANG) and Air Force civilian personnel. Major Commands
(MAJCOMs) may supplement this instruction. Supplements must identify required deviations
(applicability, variance, and/or differences in organizational placement of
responsibilities/processes) on the supplement with the term Deviation, abbreviation “DEV”.
Place the “DEV” entry after the paragraph number and directly preceding the affected text. This
instruction may be supplemented at any level, but all supplements that directly implement this
publication must be routed to the Director of Logistics, Deputy Chief of Staff for Logistics,
Engineering and Force Protection (AF/A4L) for approval. Refer recommended changes and
questions about this publication to the Office of Primary Responsibility (OPR) using the AF
