Karnack, TX, United States
Longhorn Army Ammunition Plant In 1941, as the United States prepared for eventual entry into World War II, the U.S. Army Ordnance Department approached Monsanto Chemical Company of St. Louis about operating a local plant for production of explosives. Initially called Longhorn Ordnance Works, the pl
ant produced over 400 million pounds of trinitrotolulene (TNT) from 1941 to 1945. After the war, the Army placed the plant on standby status. During the Korean War (1950-1953), the need for munitions
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