The United States chemical weapons program began in 1917 during World War I with the creation of the U.S. Army's Gas Service Section and effectively ended 73 years later in 1990 with the country's ado
Artillery shells containing mustard gas, a key component of the U.S. Cold War chemical arsenal.
A white phosphorus munition explodes and a portable flamethrower can be seen during a demonstration at Edgewood Arsenal, 1943.
Honest John missile warhead cutaway, showing M134 Sarin bomblets (photo c. 1960)
An M55 rocket, used to deliver sarin or VX nerve agents.
Rocky Mountain Arsenal
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The Rocky Mountain Arsenal was a United States chemical weapons manufacturing center located in the Denver Metropolitan Area in Commerce City, Colorado. The site was completed December 1942 and then o
United States chemical weapons program
…The U.S. began to research safer disposal methods for chemical weapons in the 1970s, destroying several thousand tons of mustard gas by incineration at Rocky Mountain Arsenal and nearly 4,200 tons of nerve agent by chemical neutralization at Tooele Army Depot and Rocky Mountain Arsenal. The U.S. entered the Geneva Protocol…
Aerial photo, 1943
Colorado Rocky Mountain Arsennal NARA 23936193
Rocky Mountain Arsenal, south entrance. (photo 1960)
Rocky Mountain Arsenal, south plant. (photo 1970)