The wind continued to blow at his back, gusting up to thirty miles per hour at times and never dropping below twenty. From the top of the dune he could see the tracks left by the vehicles vanish into the darkness, but there was enough ambient light that he wouldn’t need his night vision gear.

He clumsily walked to the edge of the dune and, without a second thought, he launched himself down its face like a snowboarder racing for Olympic gold. The chute slithered after him as the plate glided over the soft sand. With his speed building, air was forced into the chute until it reached a tipping point and the canopy snapped open. The motion spun Juan around so that the parachute was in front of him, held taut by the wind. The power of the breeze overcame his gravity slide and Cabrillo was suddenly para-skiing.

He leaned back against the chute, tweaking his center of gravity as he hurtled down the dune. When he hit the bottom he flexed his knees to absorb the shock and continued to sail across the desert, borne along by the wind. And when the breeze shifted slightly and took him off the caravan’s trail he was able to tack like a schooner by pulling on the toggles, never getting more than a half mile from the ruts.

Created as an extreme sport in places like Vermont and Colorado, para-skiing involved a snowboard or skis and a chute much smaller than Cabrillo’s. The sand offered more resistance than snow; however, his large ram air reserve chute shot him across the desert at speeds adrenaline junkies could only dream of.

He fell a couple of times during the first fifteen minutes as he learned to control his rhythm, but after that he rocketed along, carving a serpentine course up and down the towering dunes while behind him he left a shallow furrow like the path of a sidewinder.

THE guards completed their circuit of the Devil’s Oasis ten minutes after midnight. The great door closed and the sound of a bar being lowered into place carried to the men huddled on the roof. They gave the guards ten more minutes to settle down before swinging into action.

Mike and Ski used a silent ratchet to screw large bolts into the stout wood above where they were going to lower the bikes. They also installed two more to either side of one of the windows. They attached climbing pullies to these bolts and readied their ropes, letting the dun-colored lines dangle down the prison’s façade.

Eddie slung his machine pistol over his back and fitted his night vision goggles. He eased himself off the parapet and shimmied down the knotted rope as quick as a monkey. When he was abreast the glassless window he unholstered a silenced automatic.