Ranks

Naval/Coast Gaurd Ranks 

• E1-Seaman Recruit 

• E2-Seaman Apprentice

• E3-Seaman

• E4-Petty Officer 3rd Class

• E5-Petty Officer 2nd Class

• E6-Petty officer 1st Class

• E7-Chief Petty Officer(CPO)

• E8-Senior Chief Petty Officer(SCPO)

• E9-Master Chief Petty Officer(MCPO)

• O1-Ensign(ENS)

• O2-Lieutenant Junior Grade(LtJG)

• O3-Lieutenant(Lt.)

• O4-Lieutenant Commander(LtC.)

• O5-Commander

Marine Ranks 

• E1-Private(PVT)

• E2-Private 1st Class(PFC)

• E3-Lance Corporal(LCpl)

• E4-Corporal(Cpl)

• E5-Sergeant(Sgt)

• E6-Staff Sergeant(SSgt)

• E7-Gunnery Sergeant(GySgt)

• E8-Master Sergeant(MSgt) / 1st Sergeant (1stSgt)

• E9-Master Gunnery Sergeant(MGySgt) /Sergeant Major(SgtMaj)

• O1-Second Lieutenant(2ndLt)

• O2-First Lieutenant(1stLt)

• O3-Captain(Capt

• O4-Major(Maj)

• O5-Lieutenant Colonel (LtCol)