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Senior Airman Michelle Winters, 75th Security Force Squadron, guides Joe, a military working dog, to sniff around a training course at Hill Air Force Base, Utah, March 4, 2020. Winters has been Joe’s handler for about four months and she said their bond is starting to form. Joe is a single-purpose MWD, trained as an explosive detection dog. (U.S. Air Force photo by Cynthia Griggs)