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Pipelines are the circulatory system of these United States. And with housing booms popping up across the country, crews like the one in Western Alabama are racing to get new ones underground.
Join the men and women of Ft. Carson as they conduct a training exercise like none before. But to pull it off, they'll need to win a simulated battle complete with apache helicopters and ground artillery.
It's not easy, wrestling one of America's metallic mainstays from the ground. See how the folks at Rio Tinto do it at one of the world's largest open pit mines.