Il y a , dans le GSC , trois groupes de grades:
█ Grades Recrues:
E-1 : Crewman - 3é Class
E-2 : Crewman - 2é Class
E-3 : Crewman - 1e Class
E-4 : Petty Officer - 3é Class
E-5 : Petty Officer - 2é Class
E-6 : Petty Officer - 1e Class
E-7 : Chief Petty - Officer
E-8 : Senior Chief - Petty Officer
--------- Grades Instructeurs--------
E-9 : Master Chief - Petty Officer
E-10 : Command - Master Chief
█ Grades- Enlisted
E-11 : Fleet Force
E-12 : Master Chief - Petty Officer of The Navy
WO-1 : Warrant Officer
CW-2 : Chief Warrant Officer 2
CW-3 : Chief Warrant Officer 3
CW-4 : Chief Warrant Officer 4
CW-5 : Chief Warrant Officer 5
O-1 : Ensign
O-2 : Lieutenant Junior
[A-1 : Admin]
█ Grades Officiers
O-3 : Lieutenant
O-4 : Lieutenant Commander
O-5 : Commander
O-6 : Captain
O-7 : Commodore
O-8 : Rear Admiral
O-9 : Vice Admiral
O-10 : Admiral
O-11 : Fleet Admiral
O-12 : Admiral Of The Navy