its favorite and most reliable weapon was the short sword. The cavalrymen wore iron breastplates and helmets. The Persian cavalry was similarly armed and horsed, and there was little difference in quality between the Persian and the Macedonian cavalry. The difference lay in Alexander’s tactical genius when he attacked the Persians.
Arrian provides a graphic account of Alexander on the battlefield:
When the armies were now closing in on each other, Alexander rode the whole length of the line calling on his men to show courage. He addressed by name, and with appropriate honours and titles, not just the generals, but squadron leaders, company commanders and any of the foreign mercenaries that had some reputation for their superior rank or their courage. And the cry came back to him from every quarter—he should lose no time now in making his attack on the enemy. Even so, Alexander continued to lead them forward, in battle order, at a measured pace, despite now having Darius’ force in view; he did not want to have any component of his phalanx become distended through too swift a march and so cause it to disintegrate. But when they were within javelin range, Alexander’s entourage and Alexander himself (he was positioned on the right) charged to the river ahead of the others, intending to strike alarm into the Persians with a lightning attack and to minimize damage from the archers by coming swiftly to hand-to-hand combat. 10
The critical difference between the Persian army and the Macedonian army was not in cavalry but in infantry. The latter was divided into a heavily armed and armored contingent—the phalanx—and light infantry called hypaspists (shield-bearers). The phalanx soldiers were trained to work in units of sixteen, closely packed together. Their eighteen-foot-long sarissas (spears with pikes at the end) were the terror of Europe and western Asia. The cavalry would advance first and throw the opposing infantry into disarray. Alexander’s soldiers tilted their sarissas forward then marched ahead in tightly packed ranks.
“Nobody who faced them ever forgot the sight; they kept time to their roaring of the Greeks’ ancient war cry…. Their scarlet cloaks billowed, and the measured swishing of their sarissas, up and down, left and right, seemed to frightened observers like the quills of a metal porcupine.” 11 These soldiers were well trained, disciplined, well fed, and very well paid. Not just the companions of Alexander’s cavalry had these benefits. He enriched the infantry phalanx and hypaspists as well. The light infantry consisted of many Balkan peoples and mercenaries drawn from all over Greece.
Alexander crossed the Hellespont (Dardanelles) that separated Europe and Asia in 334 BC. It took 150 triremes (boats with three banks of oars) to transport the whole army. Not one Persian vessel was spotted—fortunately, because the expedition could have been ended before it got under way if Darius had been astute enough to contest the crossing. But the Persian command was not famous for military strategy, relying more on sheer numbers. It must be stressed again that had the king of kings, Darius III, maximized his military resources at any time, he could have put 150,000 cavalry and infantry into the field against Alexander and possibly have swamped Alexander’s army of 40,000. As it was, the Persian forces (initially including many Greek mercenaries) rarely numbered more than 75,000 in any engagement. The fact that the Persian emperor acted so minimally was probably due to his belief in the invincibility of his army and navy, which caused him to take the Macedonian threat too lightly in the beginning.
Alexander sensed that his opponent was a weakling, too lethargic and confused even to summon his potentially much larger army for a particular battle. Darius had been surrounded by eunuchs and concubines too long. He was a soft man.
According to Green:
Ever since childhood he had dreamed of this