AT-43 - "The Jewels of Thars"

The Assault Goliath form versatile unit was designed to cause an insane amount of damage. These rapid troops rely on their speed and firepower to sweep any opposition clean before it has time to retaliate.

Their sonic gun allows them to quickly annihilate enemy infantry, while the nucleus gun forces enemy combat striders to keep a low profile.

"Tell me how he moves down a corridor with a low (8') ceiling, or turns around in a tunnel."
The point is moot, as he's not allowed indoors; he's not housebroken, and keeps setting fire to the couch and drapes.