Master Sgt. Rudy Parsons, a pararescueman with the Kentucky Air National Guard’s 123rd Special Tactics Squadron, and Callie, his search and rescue dog, complete a parachute insertion into Volk, Wis., July 16, 2019, as part of Patriot North, an annual domestic operations exercise designed to provide natural disaster-response training. Callie is currently the only search and rescue dog in the Department of Defense. (U.S. Air National Guard photo by Staff Sgt. Joshua Horton)

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Photo by: Staff Sgt. Joshua Horton |  VIRIN: 190716-Z-DI861-0148.JPG