From the first moment that man took to the skies, he realized the potential of using aircraft to assault the enemy from the air. In World War 1, pilots dropped bombs out of the cockpit by hand. Eight decades later, the bomber went intercontinental, supersonic, eluded radar and dropped bombs with precision accuracy. Built to carry the fight to the enemy, there's no hiding place from 21st Century bombers and their bombs.

Long ago christened the "King of Battle", heavy guns are always evolving to keep pace with warfare. From catapults to cannon, ballista to battleships, gunpowder to giant superguns, we chart the evolution and the sheer power of this mind-shattering dynasty of destruction.