![XM28E4 gas mask, most famously used during the latter stages of the Vietnam War, was meant specifically for riot control agents as a much lighter alternative to the M17. Most famously in XM28E4 gas mask, most famously used during the latter stages of the Vietnam War, was meant specifically for riot control agents as a much lighter alternative to the M17. Most famously in](https://preview.redd.it/pbefm2ujcj471.jpg?width=3024&format=pjpg&auto=webp&s=eaeb96d4a0be5d062877fe7821d4e28c6a2c5693)
XM28E4 gas mask, most famously used during the latter stages of the Vietnam War, was meant specifically for riot control agents as a much lighter alternative to the M17. Most famously in
![USMC Warrant Officers wear the M17 Chemical-Biological Mask while undergoing Nuclear Biological and Chemical (NBC) warfare training - PICRYL - Public Domain Media Search Engine Public Domain Search USMC Warrant Officers wear the M17 Chemical-Biological Mask while undergoing Nuclear Biological and Chemical (NBC) warfare training - PICRYL - Public Domain Media Search Engine Public Domain Search](https://cdn10.picryl.com/photo/1994/04/18/usmc-warrant-officers-wear-the-m17-chemical-biological-mask-while-undergoing-8ecb4f-1024.jpg)
USMC Warrant Officers wear the M17 Chemical-Biological Mask while undergoing Nuclear Biological and Chemical (NBC) warfare training - PICRYL - Public Domain Media Search Engine Public Domain Search
![M17 US Protective GasMask with Nuclear, Biological, Chemical protective Hood looks foward and looks aside position M17 US Protective GasMask with Nuclear, Biological, Chemical protective Hood looks foward and looks aside position](https://models-hobby.com/media/catalog/product/cache/1/image/9df78eab33525d08d6e5fb8d27136e95/l/r/lre35265-instr.jpg)