Commander Stone, grizzled chief of the Planetary Exploration Forces, acknowledged Captain Brand Bowen's salute and beckoned him to take a seat. Brand, youngest officer of the division to wear the triple-V for distinguished service, sat down and stared curiously at his superior. He hadn't the remotest idea why he had been recalled from leave: but that it was on a matter of some importance he was sure. He hunched his big shoulders and awaited orders. "Captain Bowen," said Stone. "I want you to go to Jupiter as soon as you can arrange to do so, fly low over the red.