DAFI91-208 — Hazards Of Electromagnetic Radiation To Ordnance (hero) Certification And Management

DAFI91-208 governs Hazards of Electromagnetic Radiation to Ordnance (HERO) certification and management for ordnance in the DAF inventory.

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  • Publication number: DAFI91-208
  • Title: HAZARDS OF ELECTROMAGNETIC RADIATION TO ORDNANCE (HERO) CERTIFICATION AND MANAGEMENT
  • Date: 2025-07-17

View DAFI91-208 on armypubs.army.mil


DAFI91-208 covers HERO classifications, policy, certification, assessment, ordnance modifications, and safe HERO operations. It includes requirements for maximum allowable environments and modern mobile emitter use approval.

Topics covered

  • HERO classifications
  • HERO policy requirements
  • Ordnance HERO certification
  • HERO assessment
  • Ordnance modifications
  • Safe HERO operations
  • Maximum Allowable Environment requirements

Questions and answers

How are waiver authorities identified in DAFI91-208?

The authorities to waive wing, unit, or delta level requirements in this publication are identified with a tier (“T-0, T-1, T-2, T-3”) number following the compliance statement.

What major new requirement is included in the revised instruction?

Major changes include additional context to electrically initiated devices characterized by maximum no-fire current, an updated SharePoint link for the DAF ordnance certification database, and a new requirement for modern mobile emitter use approval.

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