A security fence surrounds the main part of the U.S. Army's Dugway Proving Ground, a testing laboratory in the Utah desert. The Army says it mistakenly shipped live anthrax from Dugway to several labs in the U.S. and Korea.
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Defense Secretary Ash Carter testifies on Capitol Hill in Washington earlier this month. In an interview on CNN Sunday, Carter complained that Iraqi forces lacked "the will to fight" the self-declared Islamic State.
Manuel Balce Ceneta/AP