U.S. Army Chemical Materials ActivityU.S. Army Chemical Materials ActivityU.S. Army Chemical Materials ActivityU.S. Army Chemical Materials Activity
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CMA-West

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    Overview

    Pueblo Chemical Depot (PCD), which reported to the U.S. Army Chemical Materials Activity (CMA), supported safe and secure storage of the chemical weapons stockpile at PCD, and delivery of chemical munitions to the Pueblo Chemical Agent-Destruction Pilot Plant (PCAPP) for destruction.

    CMA’s stockpile storage mission in Colorado ended with the completion of the stockpile destruction in July 2023, and the depot was deactivated in September 2024. Today, CMA-West maintains the capabilities to support the closure and demolition of the PCAPP in a safe, environmentally compliant manner. The safety of workers, the public, and the environment are paramount to the success of the PCAPP closure mission.

    Learn More About CMA-West

    PCD Quick Facts

    Location: Pueblo, Colorado
    Installation: U.S. Army Pueblo Chemical Depot
    Stockpile Size: 2,600 Tons
    Stockpile Type: Mustard Agent
    Stockpile Destroyed: June 22, 2023

    PCAPP logo

    Interested in learning more about chemical weapons destruction in Colorado?

    Visit the PCAPP website

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    U.S. Army Chemical Materials Activity
    Mountain

    The mountain has been an element that has graced many of the past depot emblems, representing Pike’s Peak.

    Missile

    The Pershing Missile in the center represents one of the most prominent missions of the depot in the 1980s.

    Hawk

    The hawk represents native depot wildlife, the present and future mission of the environmental programs, and was also the name of one of the missile systems supplied by the depot during its missile mission in the 1950s and 60s.

    Insignias

    The branch insignia of both the U.S. Army Chemical Corps and Ordnance Corps represent the depot’s command structure through its history as both an ordnance and a chemical depot.

    Colors & Text

    The colors cobalt blue and yellow gold are representative of the U.S. Army Chemical Corps. “Pueblo Depot” is representative of the installation throughout its history. “1942” is the date of establishment. “Safety” and “Service” capture the continued and historical depot missions.

    Motto

    The motto translates to “A Common Good.”

    Sun

    The rising sun denotes the dawning of a new day without chemical weapons and the organization’s mission to safely destroy chemical weapons stockpile, thus changing the future of modern warfare.

    Wheat

    The three stalks of wheat symbolize the harvest of hope that has been secured through industry, cultivation and abundance. It also refers to the unit’s chemical/biological, smoke/obscurant and support to Homeland security industrial base missions at Pine Bluff Arsenal.

    Eagle

    The double-headed eagle suggests the two CMA methods for stockpile chemical weapons disposal, incineration and neutralization. These methods’ roots are traced back to Project Eagle I (incinerating of mustard agents) and Eagle II (neutralizing nerve agents).

    Olive Branch

    The olive branch signifies peace and the Activity’s commitment to abide by the stipulations of the Chemical Weapons Convention Treaty and assisting other nations.

    Octagon

    The octagon alludes to the eight original chemical weapons stockpile storage sites in the United States.