MOPP (protective gear)

MOPP (Mission Oriented Protective Posture; pronounced "mop") is protective gear used by U.S. military personnel in a toxic environment, for example, during a chemical, biological, radiological, or nuclear (CBRN) strike.

Each MOPP level corresponds to an increasing level of protection.

The readiness level will usually be dictated by the in-theatre commander.

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U.S. Marines in MOPP 4 gear during the 2003 invasion of Iraq
U.S. Army soldiers test MOPP 4 gear at the Yuma Proving Ground 's Tropic Regions Test Center in Hawaii
Turkish Firefighters in MOPP 4 level gear during an exercise held at Incirlik Air Base , Turkey