Jesi, 4, a Belgian malinois, sits in wait for a command from her handler, Cpl. Justin Territo, military working dog hander, Military Working Dog Section, at the obedience course on Oct. 18, 2013. Cpl. Justin Territo, military working dog handler, Military Working Dog Section, was one of two students picked to go to K-9 school and become a military dog handler. - Jesi, 4, a Belgian malinois, sits in wait for a command from her handler, Cpl. Justin Territo, military working dog hander, Military Working Dog Section, at the obedience course on Oct. 18, 2013. Cpl. Justin Territo, military working dog handler, Military Working Dog Section, was one of two students picked to go to K-9 school and become a military dog handler.

Dawn Lopiccolo, a Virginia German Shepherd Rescue volunteer, introduces Kaiser, a German shepherd, during the fifth annual Dog Days of Summer at the National Museum of the Marine Corps on Aug. 24, 2013. The four-hour event provided opportunities to see a menagerie of animals including birds, reptiles, dogs and cats. - Dawn Lopiccolo, a Virginia German Shepherd Rescue volunteer, introduces Kaiser, a German shepherd, during the fifth annual Dog Days of Summer at the National Museum of the Marine Corps on Aug. 24, 2013. The four-hour event provided opportunities to see a menagerie of animals including birds, reptiles, dogs and cats.

Cpl. Ryan Miller, military police officer and dog handler with the Quantico Provost Marshal’s Office's K9 Unit, exposes his unit’s dogs, including German shepherd Pepo, to gunfire until they no longer react, even at close range. The gun is shooting blanks. - Cpl. Ryan Miller, military police officer and dog handler with the Quantico Provost Marshal’s Office's K9 Unit, exposes his unit’s dogs, including German shepherd Pepo, to gunfire until they no longer react, even at close range. The gun is shooting blanks.