Warfare enters a new dimension with the attack from above. Spectacular experiments reveal the secret of weapons that became keys to transport war up in the air. Early on, archers besiege with devastating incendiary arrows. Long before airplanes were invented, smart medieval army commanders design rockets. And since WW I, bomb attacks became part of the significant, but also most vicious war tactics. A.I. grows better and ever more independent. Will war drones soon autonomously decide when to strike?