Grade
SFMC
Ranks
STARFLEET
Ranks
O12
No
Equivalent
Fleet Admiral (FADM)
O11
General (GEN)
Admiral (ADM)
O10
Lieutenant General (LGN)
Vice Admiral (VADM)
O9
Major General (MGN)
Rear Admiral (RADM)
O8
Brigadier General (BGN)
Commodore (COMM)
O7
Brigadier (BDR)
Fleet Captain (FCAPT)
O6
Colonel (COL)
Captain (CAPT)
O5
Lieutenant Colonel (LTC)
Commander (CMDR)
O4
Major (MAJ)
Lieutenant Commander (LTCDR)
O3
Marine Captain (CPT)*
Lieutenant (LT)
O2
First Lieutenant (1LT)
Lieutenant Junior Grade (LJG)
O1
Second Lieutenant (2LT)
Ensign (ENS)
E10
Sergeant Major of the SFMC (SGM/SFMC)
Master Chief Petty Officer of STARFLEET (MCPO)
E9
Sergeant Major (SGM)
Master Chief Petty Officer (MCPO)
E8
First Sergeant (1SG)
Senior Chief Petty Officer(SCPO)
E7
Gunnery Sergeant (GSGT)
Chief Petty Officer (CPO)
E6
Staff Sergeant (SSGT)
Petty Officer, First Class (PO1)
E5
Sergeant (SGT)
Petty Officer, Second Class (PO2)
E4
Corporal (CPL)
Petty Officer, Third Class (PO3)
E3
Lance Corporal (LCPL)
No
Equivalent
E2
Private First Class (PFC)
No
Equivalent
E1
No Rank
Insignia
Private (Private)
No
Equivalent