 Why did “Betty Koslow” really come to Ganymede?
It had been built for Ganymede, but not for Jeffers. He soon found that there was nothing for him to do but hang around the garage in case a spaceship should land. Sometimes there's no reason but them for sending a ship back with a crew instead of in an economy orbit. They found they could send back loaded ships by 'automatic' flight—that is, a long, slow, economical orbit and automatic signalling equipment. "Daddy gave me the title of tenth vice-president mostly as a joke, when he told me to find out what was wrong with operations on Ganymede. In the gravity of Ganymede, the man was knocked off balance as much as he was hurt, and sprawled on the floor.
 To investigate possible criminal behavior.
 To investigate possible criminal behavior.  To learn about business management.  To arrest Jeffers.  To take a vacation and date pilots.