And now he could hear, growing louder and louder each minute, the incessant roar of the great geyser of gas belching from the shaft which inquisitive and interfering man had drilled in the ocean bed. It shook the sea around him, already making it hard to hear the advice and comments of his helpers. There was a danger here as great as that of pressure itself; if the gas jet caught him, he might be tossed hundreds of feet upward in a matter of seconds and would explode like a deep-sea fish dragged suddenly to the surface.

"We're nearly there," said the pilot, after they had been sinking for what seemed an age. "You should be able to see the derrick in a minute; I'll switch on the lower lights."

Franklin swung himself over the edge of the now slowly moving sub and peered down the misty columns of light. At first he could see nothing; then, at an indeterminate distance, he made out mysterious rectangles and circles. They baffled him for a moment before he realized that he was seeing the air-filled drums which were now straining to lift the shattered derrick.

Almost at once he was able to make out the framework of twisted girders below them, and presently a brilliant star-fantastically out of place in this dreary underworld-burst into life just outside the cone of his searchlights. He was watching one of the cutting torches at work, manipulated by the mechanical hands of a sub just beyond visual range.

With great care, his own vessel positioned him beside the derrick, and for the first time he realized how hopeless his task would have been had he been compelled to rely on touch to find his way around. He could see the two girders to which he had to attach his charge; they were hemmed in by a maze of smaller rods, beams, and cables through which he must somehow make his way.

Franklin released his hold of the sub which had towed him so effortlessly into the depths, and with slow, easy strokes swam toward the derrick. As he approached, he saw for the first time the looming ma.s.s of the trapped sub, and his heart sank as he thought of all the problems that must still be solved before it could be extricated. On a sudden impulse, he swam toward the helpless vessel and banged sharply on the hull with the pair of wire cutters from his little tool kit. The men inside knew that he was here, of course, but the signal would have an altogether disproportionate effect on their morale.

Then he started work. Trying to ignore the throbbing vibration which filled all the water around him and made it difficult to think, he began a careful survey of the metal maze into which he must swim.

It would not be difficult to reach the nearest girder and place the charge. There was an open s.p.a.ce between three I beams, blocked only by a loop of cable which could be easily pushed out of the way (but he'd have to watch that it didn't tangle in his equipment when he swam past it). Then the girder would be dead ahead of him; what was more, there was room to turn around, so that he could avoid the unpleasant necessity of creeping out backward.

He checked again, and could see no snags. To make doubly sure, he talked it over with Commander Henson, who could see the situation almost as well on the TV screen of the sub. Then he swam slowly into the derrick, working his way along the metal framework with his gloved hands. He was quite surprised to find that, even at this depth, there was no shortage of the barnacles and other marine growths which always make it dangerous to touch any object which had been underwater for more than a few months.

The steel structure was vibrating like a giant tuning fork; he could feel the roaring power of the uncapped well both through the sea surrounding him and through the metal beneath his hands. He seemed to be imprisoned in an enormous, throbbing cage; the sheer noise, as well as the awful pressure, was beginning to make him dull and lethargic. It now needed a positive effort of will to take any action; he had to keep reminding himself that many lives besides his own depended upon what he was doing.

He reached the girder and slowly taped the flat package against the metal. It took a long time to do it to his satisfaction, but at last the explosive was in place and he felt sure that the vibration would not dislodge it. Then he looked around for his second objective-the girder forming the other edge of the derrick.

He had stirred up a good deal of dirt and could no longer see so clearly, but it seemed to Franklin that there was nothing to stop him crossing the interior of the derrick and completing the job. The alternative was to go back the way he had come, and then swim right around to the other side of the wreckage. In normal circ.u.mstances that would have been easy enough-but now every movement had to be considered with care, every expenditure of effort made grudgingly only after its need had been established beyond all doubt.

With infinite caution, he began to move through the throbbing mist. The glare of the searchlights, pouring down upon him, was so dazzling that it pained his eyes. It never occurred to him that he had only to speak into his microphone and the illumination would be reduced instantly to whatever level he wished. Instead, he tried to keep in whatever shadow he could find among the confused pile of wreckage through which he was moving.

He reached the girder, and crouched over it for a long time while he tried to remember what he was supposed to be doing here. It took Commander Henson's voice, shouting in his ears like some far-off echo, to call him back to reality. Very carefully and slowly he taped the precious slab into position; then he floated beside it, admiring his meaningless handiwork, while the annoying voice in his ear grew ever more insistent. He could stop it, he realized, by throwing away his face mask and the irritating little speaker it contained. For a moment he toyed with this idea, but discovered that he was not strong enough to undo the straps holding the mask in place. It was too bad; perhaps the voice would shut up if he did what it told him to.

Unfortunately, he had no idea which was the right way out of the maze in which he was now comfortably ensconced. The light and noise were very confusing; when he moved in any direction, he sooner or later banged into something and had to turn back. This annoyed but did not alarm him, for he was quite happy where he was.

But the voice would not give him any peace. It was no longer at all friendly and helpful; he dimly realized that it was being downright rude, and was ordering him about in a manner in which-though he could not remember why- people did not usually speak to him. He was being given careful and detailed instructions which were repeated over and over again, with increasing emphasis, until he sluggishly obeyed them. He was too tired to answer back, but he wept a little at the indignity to which he was being subjected. He had never been called such things in his life, and it was very seldom indeed that he had heard such shocking language as was now coming through his speaker. Who on earth would yell at him this way? "Not that way, you G.o.ddammed fool, sir! To the left-left! That's fine-now forward a bit more -don't stop there! Christ, he's gone to sleep again. Wake up-SNAP OUT OF IT OR I'LL KNOCK YOUR b.l.o.o.d.y BLOCK OFF!! That's a good boy-you're nearly there-just another couple of feet..." and so on endlessly, and some of it with very much worse language than that.

Then, quite to his surprise, there was no longer twisted metal around him. He was swimming slowly in the open, but he was not swimming for long. Metal fingers closed upon him, none too gently, and he was lifted into the roaring night.

From far away he heard four short, m.u.f.fled explosions and something deep down in his mind told him that for two of these he was responsible. But he saw nothing of the swift drama a hundred feet below as the radio fuses detonated and the great derrick snapped in two. The section lying across the trapped submarine was still too heavy to be lifted clear by the buoyancy tanks, but now that it was free to move it teetered for a moment like a giant seesaw, then slipped aside and crashed onto the sea bed. The big sub, all restraint removed, began to move upward with increasing speed; Franklin felt the wash of its close pa.s.sage, but was too bemused to realize what it meant. He was still struggling back into hazy consciousness; around eight hundred feet, quite abruptly, he started to react to Henson's bullying ministrations, and, to the commander's vast relief, began to answer him back in kind. He cursed wildly for about a hundred feet, then became fully aware of his surroundings and ground to an embarra.s.sed halt. Only then did he realize that his mission had been successful and that the men he had set out to rescue were already far above him on their way back to the surface.

Franklin could make no such speed. A decompression chamber was waiting for him at the three-hundred-foot level, and in its cramped confines he was to fly back to Brisbane and spend eighteen tedious hours before all the absorbed gas had escaped from his body. And by the time the doctors let him out of their clutches, it was far too late to suppress the tape recording that had circulated throughout the entire bureau. He was a hero to the whole world, but if he ever grew conceited he need only remind himself that all his staff had listened gleefully to every word of Commander Henson's fluently profane cajoling of their director.

Twenty-Five.

PETER NEVER LOOKED back as he walked up the gangplank into the projectile from which, in little more than half an hour, he would have his first view of the receding Earth. Franklin could understand why his son kept his head averted; young men of eighteen do not cry in public. Nor, for that matter, he told himself fiercely, do middle-aged directors of important bureaus.

Anne had no such inhibitions; she was weeping steadily despite all that Indra could do to comfort her. Not until the doors of the s.p.a.ceship had finally sealed and the thirty-minute warning siren had drowned all other noises did she subside into an intermittent sniffling The tide of spectators, of friends and relatives, of cameramen and s.p.a.ce Department officials, began to retreat before the moving barriers. Clasping hands with his wife and daughter, Franklin let himself be swept along with the flood of humanity. What hopes and fears, sorrows and joys surrounded him now! He tried to remember his emotions at his first takeoff; it must have been one of the great moments of his life-yet all recollection of it had gone, obliterated by thirty years of later experience.

And now Peter was setting out on the road his father had traveled half a lifetime before. May you have better luck among the stars than I did, Franklin prayed. He wished he could be there at Port Lowell when Irene greeted the boy who might have been her son, and wondered how Roy and Rupert would receive their half-brother. He was sure that they would be glad to meet him; Peter would not be as lonely on Mars as Ensign Walter Franklin had once been.

They waited in silence while the long minutes wore away. By this time, Peter would be so interested in the strange and exciting world that was to be his home for the next week that he would already have forgotten the pain of parting. He could not be blamed if his eyes were fixed on the new life which lay before him in all its unknown promise.

And what of his own life? Franklin asked himself. Now that he had launched his son into the future, could he say that he had been a success? It was a question he found very hard to answer honestly. So many things that he had attempted had ended in failure or even in disaster. He knew now that he was unlikely to rise any farther in the service of the state; he might be a hero, but he had upset too many people when he became the surprised and somewhat reluctant ally of the Maha Thero. Certainly he had no hope of promotion-nor did he desire it-during the five or ten years which would be needed to complete the reorganization of the Bureau of Whales. He had been told in as many words that since he was partly responsible for the situation- the mess, it was generally called-he could sort it out himself.

One thing he would never know. If fate had not brought him public admiration and the even more valuable-because less fickle-friendship of Senator Chamberlain, would he have had the courage of his new-found convictions? It had been easy, as the latest hero that the world had taken to its heart but would forget tomorrow, to stand up in the witness box and state his beliefs. His superiors could fume and fret, but there was nothing they could do but accept his defection with the best grace they could muster. There were times when he almost wished that the accident of fame had not come to his rescue. And had his evidence, after all, been decisive? He suspected that it had. The result of the referendum had been close, and the Maha Thero might not have carried the day without his help.

The three sharp blasts of the siren broke into his reverie. In that awe-inspiring silence which still seemed so uncanny to those who remembered the age of rockets, the great ship sloughed away its hundred thousand tons of weight and began the climb back to its natural element. Half a mile above the plain, its own gravity field took over completely, so that it was no longer concerned with terrestrial ideas of "up" or "down." It lifted its prow toward the zenith, and hung poised for a moment like a metal obelisk miraculously supported among the clouds. Then, in that same awful silence, it blurred itself into a line-and the sky was empty.

The tension broke. There was a few stifled sobs, but many more laughs and jokes, perhaps a little too high-pitched to be altogether convincing. Franklin put his arms around Anne and Indra, and began to shepherd them toward the exit.

To his son, he willingly bequeathed the sh.o.r.eless seas of s.p.a.ce. For himself, the oceans of this world were sufficient. Therein dwelt all his subjects, from the moving mountain of Leviathan to the newborn dolphin that had not yet learned to suckle under water.

He would guard them to the best of his knowledge and ability. Already he could see clearly the future role of the bureau, when its wardens would be in truth the protectors of all the creatures moving in the sea. All? No-that, of course, was absurd; nothing could change or even greatly alleviate the incessant cruelty and slaughter that raged through all the oceans of the world. But with the great mammals who were his kindred, man could make a start, imposing his truce upon the battlefield of Nature.

What might come of that in the ages ahead, no one could guess. Even Lundquist's daring and still unproved plan for taming the killer whales might no more than hint of what the next few decades would bring. They might even bring the answer to the mystery which haunted him still, and which he had so nearly solved when that submarine earthquake robbed him of his best friend.

A chapter-perhaps the best chapter-of his life was closing. The future would have many problems, but he did not believe that ever again would he have to face such challenges as he had met in the past. In a sense, his work was done, even though the details were merely beginning.

He looked once more at the empty sky, and the words that the Mahanayake Thero had spoken to him as they flew back from the Greenland station rose up out of memory like a ground swell on the sea. He would never forget that chilling thought: "When that time comes, the treatment man receives from his superiors may well depend upon the way he has behaved toward the other creatures of his own world."

Perhaps he was a fool to let such phantasms of a remote and unknowable future have any influence upon his thoughts and acts, but he had no regrets for what he had done. As he stared into the blue infinity that had swallowed his son, the stars seemed suddenly very close. "Give us another hundred years," he whispered, "and we'll face you with clean hands and hearts-whatever shape you be."

"Come along, dear," said Indra, her voice still a little unsteady. "You haven't much time. The office asked me to remind you-the Committee on Interdepartmental Standardization meets in half an hour."

"I know," said Franklin, blowing his nose firmly and finally. "I wouldn't dream of keeping it waiting."