Stalking groups of Speerwurf Class Light Zeppelins range ahead of Prussian aerial, naval and armoured formations, 'harpooning' larger targets as if they were great steel whales. Once a vessel has been struck by one of their Speerschleuder projectiles it is in terrible danger, for the great spear acts as a huge lighning conductor. This virtually guarantees the target's total devastation at the hands of massed Tesla strikes irresistibly attracted to the embedded metal rod.