The PCT-86 was a prisoner transport ship manufactured some 30 years before the Clone Wars. One such ship was adopted and heavily modified for bounty hunting purposes by Shock and his companion Susanack. They dubbed it "Havic" and for 3 years collected bounty's together until the second year into the clone wars Shock left for a "better business opportunity" Susanack Never did forgive Shock and carried his grudge against Shock to his grave. This is they're ship while they were together during the early years of the Clone Wars.
About this creation
This is Shock (on the right) and Susanack (on the left) they both ware masks with air tanks because they removed life support systems every where in the ship except for the prison cell in order to make more room for weapons and other hidden goodies.