Ancient Macedonian army at 4,500, asserting it was closer to 5,100 horsemen. The army led by Alexander the Great into the Persian Empire included Greek heavy infantry in the form of allied contingents provided by the League of Corinth and hired mercenaries. These infantrymen would have been equipped as hoplites with the traditional hoplite panoply consisting of a thrusting spear ("doru"), bronze-faced "hoplon" shield and body armour. In appearance, they would have been almost identical to the hypaspists. In battle, the Greek hoplites had a less active role than the Macedonian phalangites and hypaspists. At Gaugamela, the Greek infantry formed the defensive rear
Thracian warfare pelte, two javelins and a sword. Body armor was restricted to nobles and army commanders. Greek armor was in use in Thrace before the classical age. Nobles would sometimes wear pectorals on their chests as a sign of rank. There was no Thracian navy but there were instances of Thracians turning to piracy. The Greek cities of the coast that paid tribute to the Thracian kings did sometimes provide the Thracian kings with ships. Even though Thracians attempted to build only one polis, they had forts in hills built as places of refuge. Thracian villages had basic fortifications as Xenophon