Associated Press
Benet Laboratories mechanical engineer Victor Nerses, left, Michigan State Sen. Steven Bieda, and Lt. General Raymond V. Mason, U.S. Army Deputy Chief, share a laugh as Bieda and Mason try on individual cooling vests worn by Abrams Battle Tank crew members to keep them cool, Wednesday, April 11, 2012 in Warren, Mich. The U.S. Army unveiled a new laboratory Wednesday that can simulate Afghanistan's desert heat and Antarctica's extreme cold in an effort to discover how to save energy and make combat vehicles fuel-efficient. (AP Photo/Detroit News, Todd McInturf )  DETROIT FREE PRESS OUT; HUFFINGTON POST OUT

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