Defense Secretary Chuck Hagel speaks during a news conference at the Pentagon, Friday, Nov. 14, 2014, where he announced that he is ordering top-to-bottom changes in how the nation's nuclear arsenal is managed, vowing to invest billions of dollars more to fix what ails a force beset by leadership lapses, security flaws and sagging morale. From left are, Air Force Global Strike Command Commander Lt. Gen. Stephen Wilson, Air Force Secretary Deborah Lee Jones, and Hagel. (AP Photo/Evan Vucci)
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