Staff Sgt. Joshua Lawson, 11th Security Support Squadron military working dog handler, and his dog Gip, await the arrival of the President and First Lady of the United States near the flight line of Joint Base Andrews, Md., March 19, 2018. MWDs work as force multipliers when providing security, using their senses to acknowledge handlers of both visible and invisible threats. ( Air Force

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Photo credit: © PR Collection / Alamy / Afripics
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