X'sterian Sector Defense Corps

The X'sterian Sector Defense Corps, also known as the X'sterian Navy, or the XSDF. Was the main naval force that protected X'sterian space and the Xeon system from enemy attacks. It also served as a Defense Fleet, protecting star systems from Pirate attacks, and protecting trade routes. During the clone wars the XSDF defend Xeon from Confederacy of Independent Systems.

Later the XSDF aided, Naboo against the Gen'Dai Druge and her droid army who poisoned Naboo's moon. The XSDF made use of advanced warships, droid starfighters, and weapons that outclassed anything the Republic or Separatist alliance.