And Kinnison was not surprised; before full englobement was accomplished, a loud-speaker gave tongue.

"Flagship Chicago to Grand Fleet Headquarters!" it blatted, sharply. "The Black Fleet has been detected. RA twelve hours, declination plus twenty degrees, distance about thirty light-years...."

Kinnison started to say something; then, by main force, shut himself up. He wanted intensely to take over, to tell the boys out there exactly what to do, but he couldn't. He was now a Big Shot—damn the luck! He could be and must be responsible for broad policy and for general strategy, but, once those vitally important decisions had been made, the actual work would have to be done by others. He didn't like it—but there it was. Those flashing thoughts took only an instant of time.

"... which is such extreme range that no estimate of strength or composition can be made at present. We will keep you informed."

"Acknowledge," he ordered Randolph; who, wearing now the five silver bars of major, was his Chief Communications Officer. "No instructions."

He turned to his plate. Clayton hadn't had to be told to pull in his light stuff; it was all pelting hell-for-leather for Sol and Tellus. Three general plans of battle had been mapped out by Staff. Each had its advantages—and its disadvantages. Operation Acorn—long distance—would be fought at, say, twelve light-years. It would keep everything, particularly the big stuff, away from the Hill, and would make automatics useless ... unless some got past, or unless the automatics were coming in on a sneak course, or unless several other things—in any one of which cases what a God-awful shellacking the Hill would take!

He grinned wryly at Samms, who had been following his thought, and quoted: "A vast hemisphere of lambent violet flame, through which neither material substance nor destructive ray can pass."

"Well, that dedicatory statement, while perhaps a bit florid, was strictly true at the time—before the days of allotropic iron and of polycyclic drills. Now I'll quote one: 'Nothing is permanent except change'."

"Uh-huh," and Kinnison returned to his thinking. Operation Adack. Middle distance. Uh-uh. He didn't like it any better now than he had before, even though some of the Big Brains of Staff thought it the ideal solution. A compromise. All of the disadvantages of both of the others, and none of the advantages of either. It still stunk, and unless the Black fleet had an utterly fantastic composition Operation Adack was out.

And Virgil Samms, quietly smoking a cigarette, smiled inwardly. Rod the Rock could scarcely be expected to be in favor of any sort of compromise.