Electromagnetic Environment Policy and Management
SECNAVINST 2400.2 - Publish Date: 08/01/11
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This instruction establishes policy and assigns responsibilities for reliable, safe and mission capable operations of all systems, equipment and subsystems within their intended operational electromagnetic environment. The electromagnetic environment is composed of all electromagnetic energy from known and unknown sources. This includes manmade emissions from communications equipment and systems, commercial systems, electrical power lines and generators, as well as natural emissions from lightning, the sun, cosmic radiation and other sources.