MOPP level

Definition

Mission Oriented Protective Posture level (0-4) indicating how much chemical/biological protective gear troops must wear. A scale measuring both threat level and how miserable everyone is about to be.

Example Usage

Intelligence reports possible chemical weapons—command is raising us to MOPP level 2.

Origin

Developed during the Cold War when chemical and biological warfare was a primary concern

Fun Fact

MOPP level 4 (full suit, mask, gloves, and boots) is so hot and restrictive that soldiers can only function for short periods before heat exhaustion sets in.

Source: U.S. Army Chemical Corps doctrine and training materials

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