Self Propelled Heavy Artillery

SPHA-T walkers firing their primary weapon at the Battle of Geonosis

The SPHA (Self Propelled Heavy Artillery) was a twelve legged heavy support vehicle used by the Grand Army of the Republic during the Clone Wars. The SPHA could be outfitted with several modualar weapons including a concussion missile launcher, Ion Cannon or a Heavy Turbolaser, the latter of which could be used to bring down spacecraft in the size range of Trade Federation core ships