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美国印第安纳州，美国陆军第159航空团第5营的 CH-47D 直升机在 Vibrant Response 11 演习中从阿特伯里营起飞。（A U.S. Army CH-47 Chinook, from the 5th Battalion, 159th Aviation Regiment departs for a mission during Exercise Vibrant Response at Camp Atterbury, Ind., Aug. 19, 2011. Vibrant Response is the largest chemical, biological, radiological and nuclear (CBRN) response exercise designed to prepare expeditionary units focused on responding to domestic CBRN incidents.）

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