You put your life on the line when you join the Exploratory Wing of the Space Corps. They tell you that when you sign up. The way they told it to me, it went like this: "You'll be out there on alien worlds where no human being has ever set foot—worlds which may or may not have been inhabited by hostile alien creatures. You take your life in your hands every time you make a planetfall out there. Still interested?" "That's old stuff," I said. "You don't think I'd join up if it was an old ladies' t