Ancient Greek warfare of the phalanx to its logical completion, arming his 'phalangites' (for they were assuredly not hoplites) with a fearsome pike, the 'sarissa'. Much more lightly armored, the Macedonian phalanx was not so much a shield-wall as a spear-wall. The Macedonian phalanx was a supreme defensive formation, but was not intended to be decisive offensively; instead, it was used to pin down the enemy infantry, whilst more mobile forces (such as cavalry) outflanked them. This 'combined arms' approach was furthered by the extensive use of skirmishers, such as peltasts. Tactically, Phillip absorbed the lessons of centuries of warfare in Greece. He
Ancient Greek warfare turn therefore needed to defeat the Greek fleet; similarly, the Greeks needed to neutralise the Persian fleet to ensure their safety. To this end, the Greeks were able to lure the Persian fleet into the straits of Salamis; and, in a battleground where Persian numbers again counted for nothing, they won a decisive victory, justifying Themistocles' decision to build the Athenian fleet. Demoralised, Xerxes returned to Asia Minor with much of his army, leaving his general Mardonius to campaign in Greece the following year (479 BC). However, a united Greek army of c. 40,000 hoplites decisively defeated Mardonius at the