Peltast more readily available to poorer members of society. The Athenian general Iphicrates destroyed a Spartan phalanx in the Battle of Lechaeum in 390 BCE, using mostly peltasts. In the account of Diodorus Siculus, Iphicrates is credited with re-arming his men with long spears, perhaps in around 374 BCE. This reform may have produced a type of "peltast" armed with a small shield, a sword, and a spear instead of javelins. Some authorities, such as J.G.P. Best, state that these later "peltasts" were not truly peltasts in the traditional sense, but lightly armored hoplites carrying the "pelte" shield in conjunction with
Light infantry heavier at the same time as hoplite equipment grew lighter. It was the fact that peltasts fought in open order as skirmishers that made them light infantry and that hoplites fought in the battle line in a phalanx formation that made them heavy infantry. Early regular armies of the modern era frequently relied on irregulars to perform the duties of light infantry skirmishers. In the 17th century, dragoons were the light infantry skirmishers of their day – lightly armed mounted infantrymen who rode into battle but dismounted to fight, giving them a mobility lacking to regular foot soldiers. In the