Las Vegas Sun - Photograph : Robert Gates

January 22, 2018

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In this June 15, 2011, file photo, then-Secretary of Defense Robert Gates testifies regarding the Department of Defense Fiscal Year 2012 budget request before the Senate Appropriations Committee Subcommittee on Defense on Capitol Hill in Washington.

Charles Dharapak / AP

In this June 15, 2011, file photo, then-Secretary of Defense Robert Gates testifies regarding the Department of Defense Fiscal Year 2012 budget request before the Senate Appropriations Committee Subcommittee on Defense on Capitol Hill in Washington.