"I know it, Devries. Don't think I'm forgetting what they did to Ketrik, and what we promised him. You see, that's why I want to be sure of making a thorough job of it!"
"Yes sir," Devries said again, briskly, and he was satisfied. As the hideous green ball of Neptune rolled away behind them he didn't even look back; for he knew they'd be out here again—and soon—with more than a Patrol ship and a few atom-blasts.