BY ORDER OF THE SECRETARY
OF THE AIR FORCE
DEPARTMENT OF THE AIR FORCE
INSTRUCTION 17-221
31 JANUARY 2023
Cyberspace
SPECTRUM INTERFERENCE
RESOLUTION PROGRAM
COMPLIANCE WITH THIS PUBLICATION IS MANDATORY
ACCESSIBILITY: This publication is available for downloading or ordering on the e-
Publishing website at www.e-Publishing.af.mil
RELEASABILITY: There are no releasability restrictions on this publication
OPR: AF/A2/6LS Certified by: AF/A2/6L
(Brig Gen Gavin Marks)
Supersedes: AFI17-221, 11 May 2018 Pages: 18
This instruction implements Department of the Air Force (DAF) Policy Directive 17-2, Cyber
Warfare Operations and describes the DAF Spectrum Interference Resolution Program. It
provides DAF guidance in accordance with Chairman of the Joint Chiefs of Staff Instruction
(CJCSI) 3320.02F, Joint Spectrum Interference Resolution (JSIR), CJCSI 3320.02E, Classified
Supplement to Joint Spectrum Interference Resolution (JSIR), and Chairman Joint Chiefs of Staff
Manual (CJCSM) 3320.02E, Joint Spectrum Interference Resolution (JSIR) Procedures. It
provides guidance for reporting, identifying, evaluating, and controlling electromagnetic
interference (EMI) to meet electromagnetic compatibility goals of the in Department of Defense
(DoD) Electromagnetic Environmental Effects (E3) program as defined in DoD Instruction (DoDI)
3222.03, DoD Electromagnetic Environmental Effects (E3) Program. It also provides guidance
for requesting Quick Fix Interference Resolution Capability (QFIRC) and related compatibility
measurements and specialized engineering services. This publication is applicable to the entire
DAF, the United States Air Force (USAF), the United States Space Force (USSF), the Air Force
Reserve, the Air National Guard, the Civil Air Patrol, when conducting missions as the official Air
Force Auxiliary, all DAF civilian employees, and those with a contractual obligation to abide by
the terms of DAF issuances. Ensure all records generated as a result of processes prescribed in
this publication adhere to Air Force Instruction 33-322, Records Management and Information
Governance Program, and are disposed in accordance with the Air Force Records Disposition
Schedule, which is located in the Air Force Records Information Management System. Refer
recommended changes and questions about this publication to the office of primary responsibility
(OPR) using the DAF Form 847, Recommendation for Change of Publication; route DAF Forms
847 from the field through the appropriate functional chain of command. This publication may be
