Cena, a 10-year-old Black Labrador who served as a Marine bomb-detection dog from 2009 to 2014, received an emotional farewell before being put to sleep on July 26.
Benjamin Franklin nailed it when he said, "Fatigue is the best pillow." True story, Benny. There's nothing like pushing your body so far past exhaustion that you'd willingly, even longingly, take a nap on a concrete slab.
And no one knows that better than military service members and we have the pictures to prove it.