Heavy mortar droid class "Grasshopper"; assault groups; military formations Purpose- storming fortified areas; military operations; tactical operations After the collapse of the Artrade Empire, races that had not met before, and did not think that such a thing would happen, presented a lot of surprises... Such as biobot fortifications and chitinous insect bunkers. A heavy, mobile mortar capable of hitting and destroying enemy fortifications turned out to be the ideal way out of the situation..