Grand Admirals are the heads of the Star Military and Central Corps affairs. They are in command of massive fleets like 1st, 2nd, and 3rd fleets. Characters with the rank of Grand Admiral make 3000 DA a week.

For a full listing of Nepleslian military ranks, see Nepleslian Military Ranks.

• Barrett Valke, First Fleet (YE 39-present)
• Charlie Coast, Third Fleet (YE 30-YE 36)¹⁾, became Sky Marshall/Premier
• Lazarus Clarke, First Fleet (YE 38-YE 39)
• Don John, Third Fleet (YE 34), replaced by Charlie Coast
• Flint Vanderhuge, First Fleet (YE 30²⁾-YE 38³⁾)
• Heram J. Wazu, Fourth Fleet (??-YE 33), previous Taisho of the Fourth Fleet, left to join an alien navy
• Leander Cinna, Fourth Fleet (YE 39)
• Motoyoshi Saito, Third Fleet (YE 36-YE 41)
• Raymond Halsey, Fourth Fleet (YE 39-YE 40)
• Violetta De Luca, 2nd Assault Fleet, (YE 39⁴⁾-present)
• Grand Admiral Vladimirus Corcyra, 2nd Assault Fleet (YE 29⁵⁾-YE 39)

Note: Dominic Valken led Fourth Fleet from YE 33 to YE 39 but was only a Rear Admiral and Admiral (Nepleslia) during that time.