Droch-class boarding ship by Omar Ovalle Via Flickr: The Droch-class was armed with a large set of four spikes arranged around the cockpit, that were used to crush an object trapped inside the array, which led the Galactic Republic's clone troopers to name the ships "juicers." These four spikes also could be used to pierce the hull of a ship and deploy a boarding party. It usually carried a few rocket battle droids. The pilot sat on top of the vehicle, and it could be used as a local transport for several troops, which entered and exited from a central passenger compartment. Here I go set 3
Source: Flickr / ovalle