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OPNAV 2400.20

Revision F, July 19, 2007

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Product Details:

  • Revision: Revision F, July 19, 2007
  • Published Date: July 19, 2007
  • Status: Active, Most Current
  • Document Language: English
  • Published By: US Navy (NAVY)
  • Page Count: 18
  • ANSI Approved: No
  • DoD Adopted: No

Description / Abstract:

Scope and Applicability

This instruction establishes Navy policy and assigns responsibilities for achieving SS and ensuring reliable, safe, and mission capable operations of all electrical and Communications-Electronics (C-E) equipment, systems and subsystems, devices, ordnance, and fuels within their intended operational electromagnetic environment (EME), including effects on personnel. E3 considerations apply to all platforms, systems, subsystems, facilities, weapons, electric or electronic equipment, networks, sensors, fuels, and ordnance, (hereinafter referred to as equipment, systems and platforms) developed, procured, acquired, operated, and maintained by the Navy including Commercial Items (CI) and Non-Developmental Items NDI).

This instruction specifies mandatory actions that are prerequisite to obligating or expending funds for C-E equipment, systems, subsystems, and the specific requirements and procedures for obtaining spectrum certification and frequency assignments.

This instruction applies to all United States Navy (NAVY) commands, activities, installations and units, both active and reserve, involved in the research, development, procurement, or operation of any electronic/electrical equipments, system and platforms, and any C-E equipment which transmit and/or receive electromagnetic radiation.

The Frequency Management Office (FMO) established by the Naval Network Warfare Command (NETWARCOM) per paragraph 6.g of this instruction and in accordance with reference (a) shall support both the Navy and Marine Coprps operational activities.


To establish Navy policy and procedures and assign responsibilities for Electromagnetic Environmental Effects (E3) and Spectrum Supportability (SS).  This instruction implements applicable provisions of references (a) through (aa) and is a substantial revision, which should be reviewed in its entirety.