The content of this Star Wars Legends article was cut.

This article covers a subject that was cut from the final version of a Star Wars Legends source. The subject appeared in no other source and was therefore considered non-canon within the Legends continuity.

The Subterranean Tunneling Attack Module (or ST-AM for short) was a type of hovering gun platform used by the Galactic Empire's military. Colloquially known as the Imperial Hedgehog, they were equipped with twin barrels of heavy turbolaser batteries.