The military's four-legged warriors now have a more hopeful future in store.
Military working dogs were once euthanized when their service days were over.
But, their fate is changing as military and civilian families pressure the Defense Department to make it easier for handlers to adopt their canine colleagues.
Looking out over Camp Pendleton's K-9 training field in California, Marine Cpl. Daniel Cornier shares stories about Chaak, the dog he deployed with to Afghanistan.
His words are halting and emotional.