Battle of Gaugamela main Persian infantry was poorly trained and equipped in comparison to Alexander's pezhetairoi and hoplites. The only respectable infantry Darius had were his 2,000 Greek hoplites and his personal bodyguard, the 10,000 Immortals. The Greek mercenaries fought in a phalanx, armed not with a heavy shield but with spears no longer than three metres, while the spears of the Immortals were two metres long. Among the other Persian troops, the most heavily armed were the Armenians, who were armed the Greek way and probably fought as a phalanx. The rest of Darius' contingents were much more lightly armed; the main
Sack of Camarina (405 BC) charge. Carthage at this time did not use elephants, but Libyans provided bulk of the heavy, four horse war chariots for Carthage, none were present with the army at Camarina. Carthaginian officer corps held overall command of the army, although many units may have fought under their chieftains. The mainstay of the Greek army was the Hoplite, drawn mainly from the citizens, but Dionysius had a large number of mercenaries from Italy and Greece as well. Sicels and other native Sicilians also served in the army as hoplites and also supplied peltasts. The Phalanx was the standard fighting formation of