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
Peltast in Persian as takabara and their shields as "taka". The Persians may have been influenced by Greek and Thracian peltasts. Another alternative source of influence would have been the Anatolian hill tribes, such as the Corduene, Mysians or Pisidians. In Greek sources, these troops were either called peltasts or "peltophoroi" (bearers of pelte). In the Hellenistic period, the Antigonid kings of Macedon had an elite corps of native Macedonian 'Peltasts'. However, this force should not be confused with the skirmishing peltasts discussed earlier. The 'Peltasts' were probably, according to F.W. Walbank, about 3,000 in number, although by the Third Macedonian