Cpl. Nickolaus Hess, a military working dog handler with the Provost Marshal’s Office, commands Azra, Hess’ military working dog, to sniff the bottom of the door during building clearing training, Jan. 12, 2015, aboard Marine Corps Air Station Iwakuni, Japan. Military working dogs use their sense of smell to find suspicious substances or suspects.
Pfc. Carlos Cruz Jr.
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