FILE - In this Thursday, Oct. 30, 2014, file photo, Defense Secretary Chuck Hagel listens to a question during a briefing at the Pentagon. Hagel has concluded that problems in the nation's nuclear forces are rooted in a lack of investment, inattention by high-level leaders and sagging morale, and is ordering top-to-bottom changes, vowing to invest billions of dollars to fix the management of the world's most deadly weapons, two senior defense officials told The Associated Press on Thursday, Nov. 13, 2014. (AP Photo/Susan Walsh)
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