"What now?" questioned Giordino. "This thing must run forever."

"Frank Cash mentioned that the wheels could retract to cross a creva.s.se. Let's check out the operation manual that Dad gave us."

As Dad had told them, the Snow Cruiser's designer, Thomas Poulter, had come up with an ingenious solution for the creva.s.se problem. The underside of the cruiser's belly was flat like a ski, with a front and rear overhang of eighteen feet on both ends from the wheels. Following the instructions in the manual, Pitt pressed the levers that retracted the front wheels vertically until they were level with the body. Then, using the rear wheels for traction, he drove the Cruiser slowly forward until the front section slid across the creva.s.se and rolled past the opposite edge a safe distance for stability. Next Pitt extended the front wheels and retracted the wheels in the rear. Now using the front-wheel drive, the rear half of the cruiser was pulled the rest of the way over the chasm. After, extending the rear wheels, they were on their way again.

"I do believe I'd call that a brilliant innovation," Giordino said admiringly.

Pitt shifted gears and turned the bow of the Snow Cruiser back toward the peak that had expanded into a range of mountains. "Amazing how he could be farsighted on one mechanism and yet badly underestimate the gearing and tire tread."

"No one is flawless. Except me, of course."

Pitt accepted the bl.u.s.ter with practiced patience. "Of course."

Giordino took the manual with him into the engine compartment, but not before pointing to the twin temperature gauges on the instrument panel. "The engines are running hotter than normal. Better keep an eye on them."

"How can they run hot when it's twenty degrees below zero outside?" Pitt queried.

"Because their radiators are not exposed. They're mounted directly in front of the engines inside the compartment. It's almost as if they overheat themselves."

Pitt had hoped darkness would cloak their arrival at the mining compound, but at this time of year in the Antarctic, the sunset had barely occurred before it was dawn again. He didn't fool himself into thinking they could infiltrate the facility without being detected, certainly not in a gargantuan fire-engine-red snow vehicle. He knew he'd have to think of something in the next hour and a half. Soon, very soon, the buildings of the extraction plant would appear on the horizon along the base of the mountains.

He began to feel a tinge of hope, but then, as if an unseen force was working against him, the atmosphere grew heavy and congealed like a lace curtain. The wind suddenly swept in from the interior of the continent with the force of a tidal wave. One minute, Pitt could see for sixty miles; the next it was as though he was gazing through a film of water, fluid in motion, iridescent and ephemeral. The sky was gone in the blink of an eye and the sun totally blotted out, as the wind charged over the ice shelf like a raging monster. The world became a swirling pall of pure white.

He kept the accelerator pressed to the metal floor and clenched the steering wheel, not turning it, keeping the big vehicle moving in a straight line. They were in a hurry, and no tempestuous behavior from Mother Nature was going to slow them down.

A man wanders in circles during a whiteout, not because he's right-handed and tends to go in that direction, but because almost all humans unknowingly have one leg that is a millimeter shorter than the other. The same factor held true with the Snow Cruiser. None of the tires had come out of the mold symmetrically perfect with each other. If the steering wheel was locked in place while the vehicle was moving straight, it would gradually begin turning in an arc.

Nothing held substance. It was as if the world no longer existed. The gale-force windstorm seemed to drain the color out of everything. The ice storm swirled and gusted with such force that the driving hail of ice particles bombarded the windshield like tiny nails. Their impact against the gla.s.s came like a crescendo of clicking sounds. Pitt felt himself idly wondering if the onslaught would mar the old prewar safety gla.s.s. He lurched forward as the Snow Cruiser bounced over a frozen ice ridge unseen under the white maelstrom. He braced for a second b.u.mp, but it never came. The ice ran smooth.

The old line "It never rains but it pours" flashed through Pitt's mind when Giordino shouted through the hatch from the engine compartment, "Check your gauges. The engines are still running hot. With no air circulation down here, I have steam coming out of the radiator overflow tubes."

Pitt stared at the temperature gauges on the instrument panel. He'd spent so much effort concentrating on keeping the great vehicle moving on an undeviating course, he'd neglected to check the gauges. Oil pressure was slightly low, but the water temperatures were already crossing into the red zone. In less time than it takes to boil an egg, the radiators would boil over and blow a water hose from the engine. After that, there was no way of telling how long the engines would turn until their pistons burned and froze inside the cylinders. Already, he could hear the engines beginning to misfire as combustion occurred early from the acute heat.

"Throw on your cold-weather gear," Pitt shouted. "When you're ready, open the outside door. The flood of cold air should cool down the engines."

"And freeze us into Popsicles at the same time," Giordino came back.

"We'll have to suffer until they're running at normal temperatures again."

Both men donned their heavy-weather coveralls and hooded parkas again, Pitt struggling with the heavy clothing while he kept the Cruiser on a steady course through the storm. When they were fully dressed and fortified for the cold, Giordino opened the door. A howling chaos surged into the control cabin, the wind moaning and screaming as it whipped through the doorway. Pitt huddled over the steering wheel and stared through half-screwed-shut eyes as the blast of cold flung itself into the control cabin with a banshee shriek that drowned out all sounds from the diesel engines.

He could not have envisioned the profound shock that came from having the temperature inside the cabin drop eighty degrees within thirty seconds. When a human is appropriately clothed for extreme cold, he can endure temperatures of 120 degrees below freezing for twenty to thirty minutes at a time without suffering injury. But when the windchill factor adds another fifty degrees to the temperature, the drastic frigidness can kill within a few short minutes. Pitt's cold-weather clothing could protect him from mere cold, but the chill from the gale sucked the body heat right out of him.

Down in the engine compartment, Giordino sat between the two engines and savored what little heat he could soak up from the exhaust heaters and the radiator fans. He was deeply concerned about how Pitt could survive until the engine temperatures dropped. There was no more communication. The screaming wind made voice contact impossible.

The next few minutes were the longest Pitt had ever spent. He had never known such cold. It felt as if the wind went right through him, cutting his insides as it traveled. He stared at the needles on the engine temperature gauges and saw them drop with agonizing slowness. The ice crystals smashed into the windshields like a never-ending swarm. They hurtled through the door and into the control cabin, quickly covering Pitt and the instrument panel in a white glaze. The heater could no longer cope with the frozen air, and the inside of the windshield quickly frosted over, while the wipers on the outside were overwhelmed and soon became locked in a thickening blanket of ice. Unable to see past the steering wheel, Pitt sat like a rock as the torrent of white curled around him. He felt as though he were being swallowed by a ghost with thousands of tiny teeth.

He clenched his own teeth to keep them from chattering. Fighting forces far beyond his control, and realizing that he might be responsible for saving billions of lives, was not pleasant, but it drove him to stay the course against the screaming wind and stinging ice. What frightened him most was the prospect of driving into a creva.s.se that was impossible to see before it was too late. The sane thing to do was to slow the Snow Cruiser to a snail's crawl and send Giordino ahead to test the ice, but besides risking his friend's life, it would have cost them precious time, and time was an extravagance they did not have. His numbed right foot could no longer move up and down on the accelerator pedal, so he kept it fully pressed down, frozen in place to the floorboard.

Their drive across that deceptive and treacherous ice field had turned into a freezing nightmare.

There was no point of no return. It was finish the mission or die. The shrieking fury of the ice storm showed no signs of diminishing. Pitt wiped the thickening veneer of ice from the instrument panel at last. The temperature gauge needles were slowly dropping out of the red now. But if he and Giordino wanted to reach their destination without further interruption, the needles would have to fall another twenty degrees.

He was a blind man in a world of the blind. He was even denied a sense of touch. His hands and legs soon went numb, with all feeling lost. His body no longer felt a part of him and refused to respond to his commands. He found it next to impossible to breathe. The bitter cold seared his lungs. The thickening of the blood, the chill seeping through his skin, the stinging pain that was torturing his flesh, despite the insulation of his clothing, drained his strength. He never knew a man could freeze to death so fast. It required a concentrated effort of willpower not to give in and order Giordino to close the door. His bitterness against failing was as strong as the terrible wind.

Pitt had stared the grim reaper in the face before, and he had spat on him. As long as he was still breathing and able to think straight, he still had a chance. If only the wind would die. He knew that storms could vanish as quickly as they were born. Why can't this one die? he implored no one but himself. A horrible emptiness settled over him. His vision was darkening around the edges of his eyes, and still those vexing needles hadn't wavered into the normal temperature range.

He did not exist by any preposterous illusion of hope. He believed in himself and in Giordino and in luck. The Almighty could come along, too, if He was agreeable. Pitt had no wish to welcome the great beyond with open arms. He'd always believed he'd have to be dragged away by either angels or demons, fighting to the end. The jury was still out on whether his good virtues outweighed the bad. The only undeniable, uncontested reality was that he had little to say in the matter and was within minutes of freezing into a block of ice.

If there was a purpose for adversity, Pitt was d.a.m.ned if he knew what it was. Somewhere beyond it all, he stepped from being a mere mortal to a man outside himself. His mind was still clear, still capable of weighing the odds and the consequences. He pushed back the dark nightmare that was closing in on him. Suffering and foreboding no longer had meaning for him. He refused to accept an inevitable end. Any thought of dying became abhorrent and stillborn.

He almost gave way to an overpowering instinct to throw in the towel and surrender, but steeled himself to hold out another ten minutes. There was never a doubt in his mind that he and Giordino would see it through together, nor was there a moment of panic. Save the engines, save himself, and then save the world. That was the line of priority. He rubbed the frost from his gla.s.ses and saw that the needles on the gauge were falling faster and rapidly approaching their normal operating temperature.

Twenty more seconds, he told himself, then another twenty. What was the old ditty, "Ninety-nine bottles of beer on the wall"? Then came relief and exultation, as the temperature gauges registered nearly normal again.

There was no need to shout through the hatch down to Giordino in the engine compartment. The little Italian sensed when the time was ripe by placing a hand momentarily on the top of a radiator. He slammed shut the door, sealing off the frightful force of wind and ice, but not before throwing the interior heater switches as high as they could go. Then he rushed up to the control cabin and roughly pulled Pitt from behind the steering wheel.

"You've done enough for the cause," he said, troubled at seeing Pitt so close to death from hypothermia. "I'll help you down to the engine compartment where you can warm up."

"The Snow Cruiser ..." Pitt barely murmured through frozen lips. "Don't let it wander."

"Don't burden yourself. I can drive this mechanical mastodon as well as you."

After setting Pitt on the floor between the big diesels where he could get warm again, Giordino climbed back into the icy control cabin, sat behind the steering wheel, and engaged first gear. Within sixty seconds, he had the grand vehicle boring through the storm once again at twenty-four miles an hour.

The consistent knock of the diesels, running smoothly once again, was more than music to Pitt's ears, it was a symbol of renewed hope. Never in his entire life had anything ever felt so good as the warmth that emanated from the engines and was absorbed by his half-frozen body. His blood soon thinned and circulated again, and he allowed himself the luxury of simply relaxing for half an hour while Giordino held the wheel.

Almost morbidly, he began to wonder: had the special military force landed? Were they lost and dying in the same treacherous blizzard?

39

PAINTED IN A CHARCOAL gray with no markings but a small American flag on the vertical stabilizer, the McDonnell Douglas C-17 soared above an ocean of pearl-white clouds blanketing the glaring ice of Antarctica like a giant, featherless pterodactyl over a Mesozoic landscape.

Air Force Captain Lyle Stafford was quite at home in his c.o.c.kpit office flying over the frozen continent. Normally, he flew back and forth between Christchurch, New Zealand, and the American ice stations scattered around Antarctica, transporting scientists, equipment, and supplies. This trip they had been abruptly pressed into service to fly the hurriedly a.s.sembled a.s.sault teams to the Ross Ice Shelf and drop them over the Destiny Enterprises mining facility.

Stafford looked more like a public relations director than a pilot. Graying hair neatly trimmed, always ready with a smile, he was always volunteering to help out Air Force service and charity organizations. On most flights, he read a book, while his copilot, Lieutenant Robert Brannon, a long-boned Californian whose knees came halfway to his chin when he was seated, tended the controls and instruments. Almost reluctantly, he glanced from his book, The Einstein Papers by Craig Dirgo, out his side window and then at the Global Positioning System display.

"Time to go back to work," he announced, putting aside the book. He turned and smiled at Major Tom Cleary, who sat perched on a stool behind the pilots. "It's almost time to begin prebreathing, Major, and acclimate yourselves to the oxygen."

Cleary stared through the windshield over the pilot's heads, but all he saw was cloud cover. He a.s.sumed that a corner of the Ross Ice Shelf was looming unseen ahead and below the aircraft. "How's my time?"

Stafford nodded at the instrument panel. "We'll be over your release point in one hour. Are your men ready and eager?"

"Ready, maybe, but I'd hardly describe them as eager. They've all jumped from a jet aircraft at thirty-five thousand feet at one time or another, but not while it was traveling at four hundred miles an hour. We're used to feeling the aircraft slow down before the ramp lowers."