The Three Thieves of Japetus

Jake shook his head impatiently. "Can't you see? This is an emergency shipment of oxygen for Titan. Their reserves are just about gone. They figured it would take about ten days to check the entire dome, but they've only got about three days' supply of oxygen left." Matt nodded approvingly. "I'm beginning to see it now. When that's gone, they'll pay any price to get more."