Secretary of Defense Ash Carter assembles a M-16 rifle during a visit to Joint Base San Antonio-Lackland, TX., Nov. 16, 2016. (DoD photo by Army Sgt. Amber I. Smith) 161116-D-SV709-0373 (30899579852)

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Photo credit: © PJF Military Collection / Alamy / Afripics
License: Licensed
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Keywords: armed, ash, carter, conflict, forces, military, secdef, states, united, war