U.S. Air Force Senior Airman <PERSON>, 52nd Security Forces Squadron military working dog handler, and <PERSON>, an MWD, conduct detection training at Spangdahlem Air Base, Germany, Aug. 1, 2019. An MWD's sense of smell is five to 10 times greater than a human's, and can detect traces of weapons, narcotics, and explosives. (U.S. Air Force photo by <PERSON> <PERSON>)