The Gladius sword, a staple of Roman infantry, comes in several distinct types, each with unique features. The Gladius Hispaniensis is the earliest type, known for its broad, leaf-shaped blade, ideal for powerful thrusts and cuts. The Fulham Gladius is similar but features a narrower blade, allowing for increased precision. Lastly, the Pompeii Gladius is the most standardized, featuring a straight, double-edged blade optimized for thrusting.