Grade

SFMC Ranks

STARFLEET Ranks

Flag Ranks

O12

Fleet Admiral (FADM)

No Equivalent

O11

Admiral (ADM)

General (GEN)

O10

Vice Admiral (VADM)

Lieutenant General (LGN)

O9

Rear Admiral (RADM)

Major General (MGN)

O8

Commodore (COMM)

Brigadier General (BGN)

O7

Fleet Captain (FCAPT)

Brigadier (BDR)

Officer Ranks

O6

Captain (CAPT)

Colonel (COL)

O5

Commander (CMDR)

Lieutenant Colonel (LTC)

O4

Lieutenant Commander (LTCDR)

Major (MAJ)

O3

Lieutenant (LT)

Marine Captain (CPT)*

O2

Lieutenant Junior Grade (LJG)

First Lieutenant (1LT)

O1

Ensign (ENS)

Second Lieutenant (2LT)

Enlisted Ranks

E10

Master Chief Petty Officer of STARFLEET (MCPO)

Sergeant Major of the SFMC (SGM/SFMC)

E9

Master Chief Petty Officer (MCPO)

Sergeant Major (SGM)

E8

Senior Chief Petty Officer (SCPO)

First Sergeant (1SG)

E7

Chief Petty Officer (CPO)

Gunnery Sergeant (GSGT)

E6

Petty Officer, First Class (PO1)

Staff Sergeant (SSGT)

E5

Petty Officer, Second Class (PO2)

Sergeant (SGT)

E4

Petty Officer, Third Class (PO3)

Corporal (CPL)

E3

No Equivalent

Lance Corporal (LCPL)

E2

No Equivalent

Private First Class (PFC)

E1

No Equivalent

No Rank Insigna
Private (Private)