Of course, everyone knows about the strong left flank Schwartzkopf threw at Saddam.
Later, I found out his original plan was indeed a double envelopment with a Marine amphibious assault forming the right flank. Late in the game, however, they figured out they just didn't need the hazards of an amphibious landing to crush Saddam's army like a bunch of grapes.
The single flanking move was high speed, and the start time was determined by the effectiveness of the air bombardment. It would have gotten to the desired spot and bagged the whole Iraqi army if the commander had run at night as he’d been ordered.