Tech. Sgt. Rudy Parsons, a pararescueman with the Kentucky Air National Guard’s 123rd Special Tactics Squadron, and his search and rescue dog, Callie, ride in a UH-60 Black Hawk helicopter as part of Callie’s familiarization training at the Boone National Guard Center in Frankfort, Ky., Nov. 29, 2018. 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: 181129-Z-DI861-0292.JPG