The idea behind Balzacs' Aerial Risque is that they are a non-armed, non-fighting support unit. Their role is to fly low over opposing troops. Kikia Balzac then performs her Aerial Risque with her famous catchcry "Baps for the Lads!".
Troops watching this aetherbourne display of rubinesque female parts are distracted and stop where they are in the hope of catching an eyeful.
Voila!