Sergeant Edward Jackson from 4th Platoon, Daggery Company of the 2nd Battalion, 12th Infantry Regiment pets therapy dog Hank during Hank's visit to Combat Outpost Nangalam in the Pech River Valley of Afghanistan's Kunar Province July 3, 2012. Hank is the only Boston Terrier therapy dog deployed in this region to interact with soldiers as a stress relief. REUTERS/Lucas Jackson (AFGHANISTAN - Tags: CIVIL UNREST MILITARY ANIMALS SOCIETY)