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SESK: Stuff Everyone Should Know · sesk.info/cap-fema-is100-ics

FEMA's IS-100 course introduces which system used to organize emergency response?

The Incident Command System, or ICS.

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  1. The Instrument Landing System
  2. The Intercept Control System
  3. The Incident Command System ✔

Why: When many teams respond to an emergency, they need a shared way to organize. The Incident Command System gives everyone the same structure and language.

Huh, didn't know that: IS-100 also explains how ICS relates to the National Incident Management System, or NIMS.

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Why was the ICS course so popular? Everybody wanted to be in charge.
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References

Answer: The Incident Command System. When many teams respond to an emergency, they need a shared way to organize. The Incident Command System gives everyone the same structure and language.

  1. FEMA IS-100.c course overview training.fema.gov/is/courseoverview.aspx?code=IS-100.c
    This course describes the history, features and principles, and organizational structure of the Incident Command System.
    Checked 2026-10-10.

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