- "Multiple pods leaving the prison-tug. The penal staff's abandoning ship."
- ―Sana Starros
A prison-tug, also referred to as a tug cruiser was a type of modified Arquitens-class command cruiser utilized by the Galactic Empire as a tug for wreckage-prisons. One such prison-tug hauled Accresker Jail, before a Gundravian hookspore infestation forced the evacuation of the jail.
- Doctor Aphra 20 (First appearance)
- Doctor Aphra 21
- Doctor Aphra 22
- Doctor Aphra 23 (First identified as prison-tug) (First identified as tug cruiser)