Federal Penal Colony Security Station
The Federal Penal Colony Security Station in orbit around Dyton is the largest federal penal facility in the ’Verse. Also known as the “Penal Moon”, it has a reputation as being impregnable and inescapable.
The original colonists of Dyton were convicts from this facility that were offered reduced sentences in return for their service.
Often, when folks say that so-and-so was “sent to Dyton”, they actually mean this facility.