By the time Sgt. Joseph Serna left his position in the Special Forces, he had completed four combat tours in over two decades in Afghanistan. He had nearly been killed on three separate occasions, and received three Purple Heart awards, along with several other commendations for bravery and valor.
His eyes concealed behind dark sunglasses, Chris Goehner walks into a restaurant in Washington, D.C., shadowed by his service dog, Pelé. When Chris sits, the large, sunny-coated retriever curls up on top of his feet. The restaurant employees notice Pelé and assume that Chris cannot see—until they spy him typing text messages on his cell phone.