M121 155 mm projectile

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Script error: No such module "Infobox".Template:Template otherScript error: No such module "Check for unknown parameters". The M121/A1 155 mm projectile was a chemical artillery shell designed for use by the U.S. Army. It was designed to be used with approximately Template:Cvt of GB or VX nerve agents.[1][2]

History

The U.S. Army standardized the M121 shell in 1954 as an artillery shell capable of delivering sarin via a 155 mm howitzer.[3] Shortly after the discovery of VX in 1952,[4] the U.S. Army Chemical Corps began experimenting with employment systems for the newly discovered nerve agent. The M121A1 was standardized in 1961 as a modified version of the original projectile with the additional capability of transporting VX as well as sarin.[5] The M121 and M121A1 have never been used in combat and remaining stockpiles are currently being disposed of in accordance with the 1997 Chemical Weapons Convention.

Design

The M121 was designed as a steel shell that was Script error: No such module "convert". long with the fuze assembly attached and Script error: No such module "convert". without the fuze. The center contains a burster, which is topped by a booster propellant, which subsequently screws into the fuze. the hollow portion of the shell is filled with Script error: No such module "convert". of sarin (GB).

The M121A1 is identical to the M121 with the exception of it using a larger fuze assembly, which makes the entire projectile Script error: No such module "convert".. The large fuze assembly allows for the M121A1 to safely carry and deliver Script error: No such module "convert". of VX or Script error: No such module "convert". of sarin away from the howitzer.[6]

See also

References

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  3. Smart, Jeffery K. Medical Aspects of Chemical and Biological Warfare Template:Webarchive: Chapter 2 - History of Chemical and Biological Warfare: An American Perspective, (PDF Template:Webarchive: p. 51), Borden Institute, Textbooks of Military Medicine, PDF via Maxwell-Gunter Air Force Base, accessed November 13, 2008.
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