07/19/2009 05:12 am ET Updated May 25, 2011

Afghan Civilian Casualties Threaten Airstrike Support For Troops: Pentagon

Rising anger over Afghan civilians accidentally killed in U.S. military bombing campaigns has prompted some U.S. officers to issue a stark warning to troops involved in airstrikes: If grave mistakes persist, they could lose armed air support--considered by most soldiers and marines to be an invaluable tool during battle.

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