UNSC Ranks by Branch

[2-036 Monitor Implacable Logic]

United Nations Space Command Defense Force

-- Naval Ranks

[/i][/b]
[li] O-10 - Admiral - ADM
[/li][li] O-9 - Vice Admiral - VADM
[/li][li] O-8 - Rear Admiral (Upper) - RADM
[/li][li] O-7 - Rear Admiral (Lower) - RADML
[/li][li] O-6 - Captain - CAPT
[/li][li] O-5 - Commander - CMDR
[/li][li] O-4 - Lieutenant Commander - LTCMDR
[/li][li] O-3 - Lieutenant - LT
[/li][li] O-2 - Lieutenant Junior Grade - LTJG
[/li][li] O-1 - Ensign - ENS
[/li][/ul]

[/i][/b]
[li] E-9 - Master Chief Petty Officer - MCPO
[/li][li] E-8 - Senior Chief Petty Officer - SCPO
[/li][li] E-7 - Chief Petty Officer - CPO
[/li][li] E-6 - Petty Officer First Grade - PO1
[/li][li] E-5 - Petty Officer Second Grade - PO2
[/li][li] E-4 - Petty Officer Third Grade - PO3
[/li][li] E-3 - Crewman - CN
[/li][li] E-2 - Crewman Apprentice - CA
[/li][li] E-1 - Crewman Recruit - CR
[/li][/ul]

[2-036 Monitor Implacable Logic]

-- Marine Corps Ranks

[/i][/b]
[li] O-10 - General - Gen
[/li][li] O-9 - Lieutenant General - LtGen
[/li][li] O-8 - Major General - MajGen
[/li][li] O-7 - Brigadier General - BGen
[/li][li] O-6 - Colonel - Col
[/li][li] O-5 - Lieutenant Colonel - LtCol
[/li][li] O-4 - Major - Maj
[/li][li] O-3 - Captain - Capt
[/li][li] O-2 - First Lieutenant - 1stLt
[/li][li] O-1 - Second Lieutenant - 2ndLt
[/li][/ul]

[/i][/b]
[li] E-9 - Sergeant Major - SgtMaj
[/li][li] E-8 - Master Sergeant - MSgt
[/li][li] E-7 - Gunnery Sergeant - GySgt
[/li][li] E-6 - Staff Sergeant - SSgt
[/li][li] E-5 - Sergeant - Sgt
[/li][li] E-4 - Corporal - Cpl
[/li][li] E-3 - Lance Corporal - LnCpl
[/li][li] E-2 - Private First Class - PFC
[/li][li] E-1 - Private - Pvt
[/li][/ul]

[2-036 Monitor Implacable Logic]

-- Army Ranks

[/i][/b]
[li] O-10 - General - GEN
[/li][li] O-9 - Lieutenant General - LTG
[/li][li] O-8 - Major General - MG
[/li][li] O-7 - Brigadier General - BG
[/li][li] O-6 - Colonel - COL
[/li][li] O-5 - Lieutenant Colonel - LTC
[/li][li] O-4 - Major - MAJ
[/li][li] O-3 - Captain - CAPT
[/li][li] O-2 - First Lieutenant - 1LT
[/li][li] O-1 - Second Lieutenant - 2LT
[/li][/ul]

[/i][/b]
[li] E-9 - Sergeant Major - SGM
[/li][li] E-8 - Master Sergeant - MSG
[/li][li] E-7 - Sergeant First Class - SFC
[/li][li] E-6 - Staff Sergeant - SSG
[/li][li] E-5 - Sergeant - SGT
[/li][li] E-4 - Corporal - CPL
[/li][li] E-3 - Private First Class - PFC
[/li][li] E-2 - Private - PV2
[/li][li] E-1 - Private - PV1
[/li][/ul]

[2-036 Monitor Implacable Logic]

-- Air Force Ranks

[/i][/b]
[li] O-10 - General - Gen
[/li][li] O-9 - Lieutenant General - Lt Gen
[/li][li] O-8 - Major General - Maj Gen
[/li][li] O-7 - Brigadier General - Brig Gen
[/li][li] O-6 - Colonel - Col
[/li][li] O-5 - Lieutenant Colonel - LtCol
[/li][li] O-4 - Major - Maj
[/li][li] O-3 - Captain - Capt
[/li][li] O-2 - First Lieutenant - 1s tLt
[/li][li] O-1 - Second Lieutenant - 2nd Lt
[/li][/ul]

[/i][/b]
[li] E-9 - Chief Master Sergeant - CMSgt
[/li][li] E-8 - Senior Master Sergeant - SMSgt
[/li][li] E-7 - Master Sergeant - MSgt
[/li][li] E-6 - Technical Sergeant - TSgt
[/li][li] E-5 - Staff Sergeant - SSgt
[/li][li] E-4 - Senior Airman - SrA
[/li][li] E-3 - Airman First Class - A1C
[/li][li] E-2 - Airman - Amn
[/li][li] E-1 - Airman Basic - AB
[/li][/ul]