Watch World of Weapons Season 1 Episode 2 Online

Warfare enters a new dimension with the attack from above, transporting war up in the air. Early on, archers besieged with devastating incendiary arrows, and long before airplanes were invented, smart medieval army commanders designed rockets. Bomb attacks have become a significant part of vicious war tactics since WWI, and as A.I. becomes increasingly independent, war drones could soon autonomously decide when to strike.