David Herrera worked with Kash NO60 for seven months in Afghanistan. When the Marine met up with the dog in Tucson, Arizona, Kash immediately recognized him.
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The marine shared video of the adorable reunion on Facebook, saying "he knew exactly who I was when he smelt my scent."
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"Aww that's so cute! He looks so happy," commented one Facebook user.
"That is so awesome," commented another.