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Staying Motivated as a Student Through the Holidays

Oregon Army Bases (1)


  • Umatilla Chemical Depot Umatilla

  • The Umatilla Chemical Depot is a military facility located in the northeastern region of the state of Oregon, on the borders of Umatilla and Morrow counties. It was originally established in 1941 as a facility for the storage of munitions in preparation of the entry of the U.S. in the fighting of World War II. These munitions were stored in igloos across the facility. Afterward, the Umatilla Chemical Depot had its functions extended to include ammunition demolition (in 1945), renovation (in 1947) and maintenance (in 1955). Chemical munitions were stored at the depot as of 1962 by the U.S. Army and these are stored at a separate facility within the borders of the depot. Stockpiles at the Umatilla Chemical Depot consist of projectiles, land mines, rockets, bombs containing the nerve agents VX and GB, as well as ton containers of the blister agent HD, more commonly known as mustard agent. To date, up to 12% of the stockpiled chemical munitions of the U.S. are housed at the Umatilla Chemical Depot.