Secretary of Defense Ash Carter speaks with Dennis Muilenburg, president and chief executive officer of the Boeing Company as Carter arrives in St. Louis, Mo., to speak with workers at Boeing and kick off the Defense Advanced Research Projects Agency’s “Wait, What?" future technology forum Sept. 9, 2015. (Photo by Senior Master Sgt. Adrian Cadiz)(Released)

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Photo credit: © AB Forces News Collection / Alamy / Afripics
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Model Released: No

Keywords: ash, carter, defense, department, dod, pentagon, secdef, secretary