A member of the 51st Security Forces talks through his MCU-2P chemical/biological protective mask.
A command post staffer wears an MCU-2P gas mask and protective gloves as he communicates information during the ground base defense Exercise Foal Eagle '91. - NARA & DVIDS Public Domain Archive
Scott MCU 2/P with a darkened lens, quickdoff hood, and Voice Projection Unit. Topped off with a Woodland PASGT. : r/gasmasks
MCU 2/P Gas Mask Hot Toys - Machinegun
Mcu 2p hi-res stock photography and images - Alamy