Rank within the SFMC is a little different then it is in STARFLEET. STARFLEET uses naval ranks whereas the STARFLEET Marines use Ground Force ranks. The following is a chart showing the SFMC rank equivalent to the STARFLEET rank.

SFMC Ranks versus STARFLEET Ranks
Comparision Chart

Grade	SFMC Ranks	STARFLEET Ranks
Flag 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)
Officer Ranks
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)

* - Marine Captain is occasionally confused with the fleet rank of Captain, and some marines prefer MCAPT over MCPT.