Masters Couch News Today

Can come in all shapes and sizes. this one -- happens to have a thick coat. and a mean bark. >> hes my best friend. like, not just a dog to me. >> reporter: black is a war veteran. he was deployed to iraq and afghanistan four times, with staff sergeant brent olsen by his side. >> if the taliban, somebody is running away, cant get them. sick your dog on somebody. mostly looking for explosives and weapon caches, stuff that will harm personnel. >> reporter: blecks service was ended for the united s...