on line via an e-mail that there were programs beginning to pair wounded veterans with service dogs. i didn't know anything about service dogs. so it was like manna from heaven. then, about six months later, in november of 2008, i had the blessing of getting partnered with this boy. >> how is your relationship? what does tuesday do for you and how is it different than, let's say, having a pet? >> well, tuesday, when i got him, knew 80 commands. he was formally trained for two years. now, he knows 150 commands. he is trained to help me physically and psychologically. he can retrieve anything that i ask him to, which helps me because i fractured some vertebrae in iraq. he helps me with balance when i walk, because of the traumatic brain injury. it messes with my equilibrium.