Luie Boone has been trying to wrap his paws around this one: rockets. His hoomans keep saying they're going to "Rocket City," and frankly, he's not sure if that means the fire hydrants shoot into space or if the squirrels have jet packs. Huntsville is one of the few cities in the United States where space history and the future of exploration live side by side. Nicknamed "Rocket City," Huntsville earned its reputation through its critical role in the Apollo program...