He processed the shift in the visual landscape and instantly realized what had happened. The I/O port had gone off-line, ejecting him back into the octagonal box that represented the sub-processing unit as its icon disappeared. The UCAS SEACOM's sysops must have noted the glitch in the printer and taken the port off-line. Now he was fully exposed…

Light flared explosively around Red Wraith as an IC attack hit home. The resolution of the images that surrounded him shimmered and blurred. When they came back into focus a moment later, the colors were muted, the resolution grainy. And it was getting worse. The walls and floor of the sub-processing unit were losing their solidity, just the peaks of the corrugations showing in a barlike pattern that revealed gaping, empty, non-space beyond…

Drek! The system was also protected by jammer IC! It was messing with his deck's sensor program, messing up his ability to distinguish the iconography of the Matrix. It had already partially wiped his ability to process the visual component of the tank. But he could hear the bone-jarring clatter of its spiked treads and could feel the subsonic rumble of its engines, even though he couldn't locate the direction from which these sensory signals were coming.

He was equally blind to the jammer IC that had put him in this fix. But his tactile sensations hadn't been glitched yet. He felt around him, patting his hands gently over the corrugated floor. There! A round device with a button on top: a land mine. The IC was a nasty little piece of programming. Its first, undetectable attack had been when Red Wraith first logged onto this system, rendering the jammer IC invisible to him. Now he knew what he was "looking" for. But unless he wanted to move at a crawl, feeling his way blindly along, he'd be hit with attack after attack until all five of his virtual senses were down.

And now the tank was almost upon him. The floor was vibrating wildly under his feet

There was only one thing to do-hunker down and pray his utilities would protect him.

He activated his deck's shield utility. A rubberized black body bag appeared around him. The zipper closed, sealing him inside, and for nearly a full second Red Wraith saw nothing but darkness. He initiated a medic utility, rerouting functionality to the backup chips in his deck's MPCP. And then he waited while the medic utility did its work. He heard a rumbling, felt a heavy weight pass over him. But the spikes on the treads of the tank did not penetrate the thick rubber shielding of the cocoonlike bag.

He waited until the medic utility had finished its work. Then he opened the body bag's zipper-and was relieved to see that his graphics-recognition capacity had been restored. Peeling the body bag away from his body, he stepped back into the iconography of the sub-processing unit and surveyed the field of battle. Now he could see the previously invisible land mines that were the jammer IC. This time, he would be able to avoid them.

The tank was visible again, and was rattling away from him. But it took only an instant for it to pinpoint its prey. One of its rear-mounted targeting lasers found Red Wraith and locked its ruby-red cross hairs on his chest. The turret whipped around one-eighty degrees in a motion so fast the barrel of the cannon ghosted, and Red Wraith was looking down into the cold, dark muzzle of the cannon.

Just the way he wanted it…

Red Wraith reached up with his ghostly hands, yanked his head from his body, and hurled it into the gaping maw of the cannon. Darkness engulfed him. He had a sensation of sliding, spiraling along the cannon's rifled interior…

Then his head exploded. He was a swirl of numbers, characters, symbols-strings of programming that wormed their way into the metal of the tank, penetrating its algorithmic armor and seeking out its core programming. One of those datastrings found the sub-routine that the IC used to analyze its sensory input in order to coordinate its targeting and damage-assessment systems. The datastring spiraled around that sub-routine, creating a tiny loop that connected it with another. Then Red Wraith shifted his perspective back to the new head that had materialized on his persona.

The cannon belched flame and smoke. A projectile composed of tightly knitted code emerged from the muzzle, flashed toward Red Wraith in a streak of light-and passed harmlessly through his ghostly body. Then it arced up, over-and slammed into the tank itself, exploding with a bright flash.

The tank fired another projectile. And another.

Red Wraith didn't even flinch. A total of six explosions rocked the tank, and then the cannon fell silent and the projectiles stopped. The cannon barrel turned left, right, then the laser targeting sights suddenly blinked out.

As the tank rumbled forward across the corrugated metal floor, Red Wraith neatly sidestepped it. The tank continued until it struck one of the solid rectangular blocks that represented datastores within the sub-processing unit, drew back, changed its orientation slightly, then butted against it a second time. Only after a number of jarring impacts did the tank lumber away-only to get caught against another datastore.

Red Wraith nodded in satisfaction. His customized attack utility had done its work. The link it had created between the two sub-programs had caused the data corresponding to the location of Red Wraith's persona to be skipped. Instead it was replaced with the data that represented the tank's own position within the sub-processing unit. Unable to lock onto its intended target, the tank's attack bypassed Red Wraith's persona, leaving the decker's MPCP undamaged. Instead it attacked the programming of the blaster IC itself, rendering the IC blind to the icons around it.

Although it had been defeated, the blaster IC was still up and running. It would give the appearance of being fully functional to any sysop who ran a diagnostics check on this sub-processing unit.

One thing was still bothering Red Wraith, however. When he'd run his analyze utility, it had identified the tank as gray IC, an intrusion countermeasures program that attacked the deck, rather than the decker. But what if that had been just a mask? Military computer systems usually were protected with black IC. "Killer" IC, deckers called it, since the biofeedback it induced could flatline you.

And Red Wraith, of all people, should know you can't judge a killer by his cover.

He did not experience any of the warning signs usually associated with lethal biofeedback. That was because the cranial bomb that had nearly taken his life seven years ago had done extensive damage to the mesencephalic central gray matter in his brain. As a result, he was no longer able to feel physical pain.

The bomb also severed his spinal cord at the second cervical vertebrae. In the bad old days of the twentieth century, this would have left him a quadriplegic, immobile from the neck down, dependent upon a breather machine and moving about in the world in a wheelchair equipped with an archaic sip and puff computer interface. But modern medicine had allowed the docs to revive him, even though he was clinically dead when the trauma team found him. Cybersurgeons had rebuilt the fragmented vertebrae with plastic bone lacing and replaced the transected axions of his spinal cord with a modified move-by-wire system. Occasionally, his limbs spasmed out, but at least he was mobile. Most of the time.

Red Wraith initiated a customized medical diagnostics utility that was programmed to do a quick scan of his meat bod. A series of condition monitors appeared in front of him. Heart rate, blood pressure, blood-oxygenation levels, and respiratory rates were all normal. His cybereyes and ears were still functional, as were his blood and air filters, his toxin exhaler, and his adrenal pump.

All that cyberware-as well as the fingertip needle with its compartment of deadly toxin in his right forefinger and the subdermal induction datajack in his left palm that he used to access the Matrix-had been installed courtesy of the UCAS military. His handlers had made him into the perfect killing machine, used him to assassinate key political figures during the decade of political unrest that followed the Euro-Wars, then slagged him with the cranial bomb they'd hidden at the base of his skull when his services were no longer required.