As they reached the tank, the two men broke stride and jumped. Retief leaped for the gun barrel, swung up astride it, ripped off the fur-lined leather cap he wore and, leaning forward, jammed it into the bore of the cannon. The chef sprang for a perch above the fore scanner antenna. With an angry whuff! antipersonnel charges slammed from apertures low on the sides of the vehicle. Retief swung around, pulled himself up on the hull.

“Okay, mister,” Chip called. “I’m going under.” He slipped down the front of the tank, disappeared between the treads. Retief clambered up, took a position behind the turret, lay flat as it whirled angrily, sonar eyes searching for its tormentors. The vehicle shuddered, backed, stopped, moved forward, pivoted.

Chip reappeared at the front of the tank.

“It’s stuck,” he called. He stopped to breathe hard, clung as the machine lurched forward, spun to the right, stopped, rocking slightly.

“Take over here,” Retief said. He crawled forward, watched as the chef pulled himself up, slipped down past him, feeling for the footholds between the treads. He reached the ground, dropped on his back, hitched himself under the dark belly of the tank. He groped, found the handholds, probed with a foot for the tread-jack lever.

The tank rumbled, backed quickly, turned left and right in a dizzying sine curve. Retief clung grimly, inches from the clashing treads.

The machine ground to a halt. Retief found the lever, braced his back, pushed. The lever seemed to give minutely. He set himself again, put both feet against the frozen bar and heaved.

With a dry rasp, it slid back. Immediately two heavy rods extended themselves, moved down to touch the pavement, grated. The left track creaked as the weight went off it. Suddenly the tank’s drive raced, and Retief grabbed for a hold as the right tread clashed, heaved the fifty-ton machine forward. The jacks screeched as they scored the tarmac, then bit in. The tank pivoted, chips of pavement flying. The jacks extended, lifted the clattering left track clear of the surface as the tank spun like a hamstrung buffalo.

The tank stopped, sat silent, canted now on the extended jacks. Retief emerged from under the machine, jumped, pulled himself above the antipersonnel apertures as another charge rocked the tank. He clambered to the turret, crouched beside Chip. They waited, watching the entry hatch.

Five minutes passes.

“I’ll bet old Tony’s givin’ the chauffeur hell,” Chip said.

The hatch cycled open. A head came cautiously into view in time to see the needler in Retief’s hand.

“Come on out,” Retief said.

The head dropped. Chip snaked forward to ram a short section of steel rod under the hatch near the hinge. The hatch began to cycle shut, groaned, stopped. There was a sound of metal failing, as the hatch popped open.

Retief half rose, aimed the needler. The walls of the tank rang as the metal splinters ricocheted inside.