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During Mission Oriented Protective Posture Level Three, protective gloves are carried and the M-50 gasmask, field gear, chemical protective over-garments and over-boots are worn as directed. MOPP Level Three is used during periods of increased alert when an enemy has chemical, biological, radiological and nuclear capability and a CBRN attack could happen with little or no warning or during attack recovery when respiratory protection is needed. (U.S. Air Force photo by Airman 1st Class Kelsey Waters/Relased)