LITMIR.BIZ

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Castle calling NASS Altair. Come in, Altair.”

      The great ovoid swung clear in space, among a million cold stars. The asteroid had dwindled out of sight. A radio beam flickered across emptiness. Within the hull, the crew and a hundred refugees sat jammed together. The air was thick with their breath and sweat and waiting.

      Blades and Chung, seated by the transmitter, felt another kind of thickness, the pull of the internal field. Earth-normal weight dragged down every movement; the enclosed cabin began to feel suffocatingly small. We’d get used to it again pretty quickly, Blades thought. Our bodies would, that is. But our own selves, tied down to Earth forever—no.

      The vision screen jumped to life. “NASS Altair acknowledging Pallas Castle,” said the uniformed figure within.

      “O.K., Charlie, go outside and don’t let anybody else enter,” Chung told his own operator.

      The spaceman gave him a quizzical glance, but obeyed. “I wish to report that evacuation of the Sword is now complete,” Chung said formally.

      “Very good, sir,” the Navy face replied. “I’ll inform my superiors.”

      “Wait, don’t break off yet. We have to talk with your captain.”

      “Sir? I’ll switch you over to—”

      “None of your damned chains of command,” Blades interrupted. “Get me Rear Admiral Hulse direct, toot sweet, or I’ll eat out whatever fraction of you he leaves unchewed. This is an emergency. I’ve got to warn him of an immediate danger only he can deal with.”

      The other stared, first at Chung’s obvious exhaustion, then at the black eye and assorted bruises, scratches, and bites that adorned Blades’ visage. “I’ll put the message through Channel Red at once, sir.” The screen blanked.

      “Well, here we go,” Chung said. “I wonder how the food in Rehab is these days.”

      “Want me to do the talking?” Blades asked. Chung wasn’t built for times as hectic as the last few hours, and was worn to a nubbin. He himself felt immensely keyed up. He’d always liked a good fight.

      “Sure.” Chung pulled a crumpled cigarette from his pocket and began to fill the cabin with smoke. “You have a larger stock of rudeness than I.”

      Presently the screen showed Hulse, rigid at his post on the bridge. “Good day, gentlemen,” he said. “What’s the trouble?”

      “Plenty,” Blades answered. “Clear everybody else out of there; let your ship orbit free a while. And seal your circuit.”

      Hulse reddened. “Who do you think you are?”

      “Well, my birth certificate says Michael Joseph Blades. I’ve got some news for you concerning that top-secret gadget you told us about. You wouldn’t want unauthorized personnel listening in.”

      Hulse leaned forward till he seemed about to fall through the screen. “What’s this about a hazard?”

      “Fact. The Altair is in distinct danger of getting blown to bits.”

      “Have you gone crazy? Get me the captain of the Pallas.”

      “Very small bits.”

      Hulse compressed his lips. “All right, I’ll listen to you for a short time. You had better make it worth my while.”

      He spoke orders. Blades scratched his back while he waited for the bridge to be emptied and wondered if there was any chance of a hot shower in the near future.

      “Done,” said Hulse. “Give me your report.”

      Blades glanced at the telltale. “You haven’t sealed your circuit, admiral.”

      Hulse said angry words, but complied. “Now will you talk?”

      “Sure. This secrecy is for your own protection. You risk court-martial otherwise.”

      Hulse suppressed a retort.

      *

      “O.K., here’s the word.” Blades met the transmitted glare with an almost palpable crash of eyeballs. “We decided, Mr. Chung and I, that any missile rig as haywire as yours represents a menace to navigation and public safety. If you can’t control your own nuclear weapons, you shouldn’t be at large. Our charter gives us local authority as peace officers. By virtue thereof and so on and so forth, we ordered certain precautionary steps taken. As a result, if that war head goes off, I’m sorry to say that NASS Altair will be destroyed.”

      “Are you . . . have you—” Hulse congealed. In spite of everything, he was a competent officer, Blades decided. “Please explain yourself,” he said without tone.

      “Sure,” Blades obliged. “The Station hasn’t got any armament, but trust the human race to juryrig that. We commandeered the scoopships belonging to this vessel and loaded them with Jovian gas at maximum pressure. If your missile detonates, they’ll dive on you.”

      Something like amusement tinged Hulse’s shocked expression. “Do you seriously consider that a weapon?”

      “I seriously do. Let me explain. The ships are orbiting free right now, scattered through quite a large volume of space. Nobody’s aboard them. What is aboard each one, though, is an autopilot taken from a scooter, hooked into the drive controls. Each ’pilot has its sensors locked onto your ship. You can’t maneuver fast enough to shake off radar beams and mass detectors. You’re the target object, and there’s nothing to tell those idiot computers to decelerate as they approach you.

      “Of course, no approach is being made yet. A switch has been put in every scooter circuit, and left open. Only the meteorite evasion units are operative right now. That is, if anyone tried to lay alongside one of those scoopships, he’d be detected and the ship would skitter away. Remember, a scoopship hasn’t much mass, and she does have engines designed for diving in and out of Jupe’s gravitational well. She can out-accelerate either of our vessels, or any boat of yours, and out-dodge any of your missiles. You can’t catch her.”

      Hulse snorted. “What’s the significance of this farce?”

      “I said the autopilots were switched off at the moment, as far as heading for the target is concerned. But each of those switches is coupled to two other units. One is simply the sensor box. If you withdraw beyond a certain distance, the switches will close. That is, the ’pilots will be turned on if you try to go beyond range of the beams now locked onto you. The other unit we’ve installed in every boat is an ordinary two-for-a-dollar radiation meter. If a nuclear weapon goes off, anywhere within a couple of thousand kilometers, the switches will also close. In either of those cases, the scoopships will dive on you.

      “You might knock out a few with missiles, before they strike. Undoubtedly you can punch holes in them with laser guns. But that won’t do any good, except when you’re lucky enough to hit a vital part. Nobody’s aboard to be killed. Not even much gas will be lost, in so short a time.

      “So to summarize, chum, if that rogue missile explodes, your ship will be struck by ten to twenty scoopships, each crammed full of concentrated Jovian air. They’ll pierce that thin hull of yours, but since they’re already pumped full beyond the margin of safety, the impact will split them open and the gas will whoosh out. Do you know what Jovian air does to substances like magnesium?

      “You can probably save your crew, take to the boats and reach a Commission base. But your nice battleship will be ganz kaput. Is your game worth that candle?”

      “You’re totally insane! Releasing such a thing—”

      “Oh, not permanently. There’s one more switch on each boat, connected to the meteorite evasion unit and controlled by a small battery. When those batteries run down, in about twenty hours, the ’pilots will be turned off completely. Then we can spot the scoopships by radar and pick ’em up. And you’ll be free to leave.”

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