FORT HUACHUCA — Teamwork, a word involving more than one helping another. When it comes to the Army, teamwork has a more than special connection in one area — between a being that walks on two legs and another whose four paws hit the ground. Soldier and dog are part of the service’s military working dog program. And on this southern Arizona Army post is one of nine teams — Sgt. Zachary McNew and Chico — who recently returned from Hawaii, where they won two trophies during an eight-event competition in which 37 teams vied for honors. “We did way...