M50 joint service general purpose mask

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Air Force Staff Sergeant wearing the M50

The M50 joint service general purpose mask is the United States armed forces' field protective mask, which began service in December 2009,[1][2] replacing the M40 field protective mask and MCU-2/P.[3]


The M50 is certified to MIL-SPEC PRF-EA-10003. The M50 is compact, light, comfortable and more effective as determined by the Defense Department Joint Program Executive Office for Chemical and Biological Defense. The M50 allows for a wide field of view with a single lens that spans the width of the face.[4] The M50 has twin conformal filters, which decreases breathing resistance by 50 percent. This protective mask provides 24 hours of continuous eye-respiratory protection in nuclear, biological and chemical (NBC) environments. Another feature is an indicator which turns blue when the filter has expired. [5]

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 This article incorporates public domain material from websites or documents of the United States Marine Corps.

  1. ^ American Horse, LCpl Vanessa M. (12/2/2009). "M50: New Look Same Protection". United States Marine Corps. Archived from the original on 9 March 2010. Retrieved 22 December 2009.  Check date values in: |date= (help)
  2. ^ Sanborn, James K. (June 2, 2010). "Marine Corps fielding new gas mask". Marine Corps Times. Retrieved 2 June 2010. 
  3. ^ Military.com: New Gas Mask on the Way
  4. ^ Marine Corps fielding new gas mask (M50 Joint Service General Purpose Mask) Archived 2010-09-01 at the Wayback Machine.
  5. ^ GAS! GAS! GAS! New mask on the way Archived 2011-07-22 at the Wayback Machine.

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