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Historical highlights of the Eighty-ninth Chemical Mortar Battalion" by United States Army and George H. Esser
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Soldiers assigned to 1st Battalion, 3rd U.S. Infantry Regiment, "The Old Guard" calibrates an M252 81mm mortar system for accuracy during a live-fire training exercise in support 1st Attack Reconnaissance Battalion, 82nd
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History of Second Chemical Mortar Battalion - Scholar's Choice Edition: Second Chemical Mortar Battalion: 9781296049720: Amazon.com: Books
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File:U.S. soldiers of the 3rd Chemical Mortar Battalion near Bitburg, Germany, 3 March 1945 (148727340).jpg - Wikimedia Commons
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DVIDS - Images - Force Multiplier | U.S. Marines with 1st Battalion, 24th Marine Regiment conduct mortar drills with an M252A1 81mm mortar at Mountain Warfare Training Center [Image 8 of 9]
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