Ancient Greek warfare and slingers ("sfendonitai") while archers ("toxotai") were rare, mainly from Crete, or mercenary non-Greek tribes (as at the crucial battle of Plataea 479 B.C.) Greek armies gradually downgraded the armor of the hoplites (to linen padded thorax and open helmets) to make the phalanx more flexible and upgraded the javelineers to lightly armored general purpose infantry ("thorakitai" and "thyreophoroi") with javelins and sometimes spears. Eventually, these types effectively complemented the Macedonian style phalanx which prevailed throughout Greece after Alexander the Great. Cavalry had always existed in Greek armies of the classical era but the cost of horses made it far
Battle of Gaugamela weapon of the Achaemenid army historically was the bow and arrow, and javelin. Alexander commanded Greek forces from his kingdom of Macedon and the Hellenic League, along with Greek mercenaries and levies from the Paeonian and Thracian tributary peoples. According to Arrian, the most reliable historian of Alexander (who is believed to be relying on the work of the eyewitness Ptolemy), his forces numbered 7,000 cavalry and 40,000 infantry. Most historians agree that the Macedonian army consisted of 31,000 heavy infantry, including mercenaries and hoplites from other allied Greek states in reserve, with an additional 9,000 light infantry consisting mainly