M121 155mm Cartridge

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The M121/A1 155mm Projectile was a chemical artillery shell designed for use by the U.S. army. It was designed to be used with approximately 6.5 lbs of GB or VX nerve agents.[1][2]


The U.S. Army standardized the M121 shell in 1954.[3]

See also[edit]


  1. ^ https://fas.org/man/dod-101/sys/land/m121_155.htm
  2. ^ http://www.globalsecurity.org/military/systems/munitions/m121_155.htm
  3. ^ Smart, Jeffery K. Medical Aspects of Chemical and Biological Warfare: Chapter 2 - History of Chemical and Biological Warfare: An American Perspective, (PDF: p. 51), Borden Institute, Textbooks of Military Medicine, PDF via Maxwell-Gunter Air Force Base, accessed November 13, 2008.