I There were some new faces among the crew that crowded around him as he came up the runway into the air-lock, and the Vanguard rang with greeting: "Hi, Pete," or "Glad to see you again, Commander Ellsworth," depending upon how well they knew him. Peter felt a bit of nostalgia—but only briefly. The Vanguard had been both a comfortable and interesting berth; but in every man's life there were crossroads, and some of them demanded that he give up one course, however pleasant, in favor of something