Dennison tightened the bolt, checked another.

Stripping off his jacket, wiping his hands on it, he climbed inside, the chill interior amazingly dark and foul with gasoline. Another shell struck, banging furiously. Darkness meshed with silence! Someone flipped on the cab lights; Dennison jazzed the motor, Landel dove inside; Millard was okay; Zinc was bolting the turret; the cab light went out, leaving behind the pure black of steel.

Shellfire was constant now, rocking the tank: the steel walls became paper partitions, likely to bend inward, collapse at any moment.

In his driver's seat, Dennison adjusted his driving slits, Landel beside him, unfolding his map, spreading it across his legs by flashlight.

During a jab of silence Dennison thought over the route briefed for them the day before: starboard, around the great dune; northeast by road for six kilometers; then north: was that right? Well, he could rely on Captain Fred Landel's directions.

Bolted inside, the cab light seemed something pitiful, sick and trapped; then a bulb flashed on at the rear, muscling the naked shoulders and waists of the crew, glazing the unstacked shells. Somebody coughed over the intercom. The rear light got doused; another bulb popped on where Chuck was working at a bolt on his gunnery seat, tilting the pad to a new angle. Millard, squatting on the floor, was wiping shell cartridges with an oiled rag. On the port side, Zinc swung his machine gun from left to right, his beard level with the gun, bristling, crazy.

With lights extinguished, the walls, the roar, the stink of gas and oil crammed the men. Dennison shifted the powerful Chrysler motor into second and swung away from the great dune. Although the cooling fan was rotating, the engine had already heated the cab.

Dennison glanced at his wristwatch.

Darkness, viewed from inside the rocking Sherman, from inside steel, appeared blacker: it had the appearance of glass, a sheet of tinted Plexiglas. A shell, exploding in the distance, resembled a fake dawn. Pushing down with his palms, Dennison gripped the clutch levers. Feeling jailed, stunned, he eyed first the left port and then the right. He expected a signal and blinked to keep his eyes focused, swiping his face to stay alert.

Some sort of communication was coming in over the radio.