UNSC rank structure

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The rank structure of the United Nations Space Command's mainline branches of service (the Navy, the Marine Corps, the Army, and the Air Force) is largely derived from the system employed by the 21st century United States military.[1] Spartan Operations is an exception to this as its members lack conventional ranks.[2]

Enlisted ranks[edit]

Air Force[edit]

Pay grade E-1 E-2 E-3 E-4 E-5 E-6 E-7 E-8 E-9
Insignia/Title Airman Basic (AB)
E2 USAF AM.svg
Airman (Amn)
E3 USAF AM1.svg
Airman First Class (A1C)
E4 USAF SAM.svg
Senior Airman (SrA)
E5 USAF SSGT.svg
Staff Sergeant (SSgt)
E6 USAF TSGT.svg
Technical Sergeant (TSgt)
E7a USAF MSGT.svg
Master Sergeant (MSgt)
E8a USAF SMSGT.svg
Senior Master Sergeant (SMSgt)
E9a USAF CMSGT.svg
Chief Master Sergeant (CMSgt)
E9c USAF CCMS.svg
Command Chief Master Sergeant (CCM)

Army[edit]

Pay grade E-1 E-2 E-3 E-4 E-5 E-6 E-7 E-8 E-9
Insignia/Title Private (Pv1)
E2-PRV2.svg
Private (Pv2)
E3-PFC.svg
Private First Class (PFC)
E4-SPC.svg
Specialist (SPC)
E4-CPL.svg
Corporal (CPL)
E5-SGT.svg
Sergeant (SGT)
E6-SSG.svg
Staff Sergeant (SSG)
E7-SFC.svg
Sergeant First Class (SFC)
E8-MSG.svg
Master Sergeant (MSG)
E8-1stSG.svg
First Sergeant (1SG)
E9-SGM.svg
Sergeant Major (SGM)
E9-CSM.svg
Command Sergeant Major (CSM)

Marine Corps[edit]

Pay grade E-1 E-2 E-3 E-4 E-5 E-6 E-7 E-8 E-9
Insignia/Title Private (Pvt)
USMC-E2.svg
Private First Class (PFC)
USMC-E3.svg
Lance Corporal (LCpl)
USMC-E4.svg
Corporal (Cpl)
USMC-E5.svg
Sergeant (Sgt)
USMC-E6.svg
Staff Sergeant (SSgt)
USMC-E7.svg
Gunnery Sergeant (GySgt)
USMC-E8-MSG.svg
Master Sergeant (MSgt)
USMC-E8-1SG.svg
First Sergeant (1stSgt)
USMC-E9-MGyS.svg
Master Gunnery Sergeant (MGySgt)
USMC-E9-SGM.svg
Sergeant Major (SgtMaj)

Navy[edit]

Pay grade E-1 E-2 E-3 E-4 E-5 E-6 E-7 E-8 E-9
Insignia/Title Crewman Recruit (CR)
E-2 (USN).png
Crewman Apprentice (CA)
E-3 (USN).png
Crewman (CN)
PO3.jpg
Petty Officer Third Class (PO3)
PO2.png
Petty Officer Second Class (PO2)
PO1.svg.png
Petty Officer First Class (PO1)
CPO.jpg
Chief Petty Officer (CPO)
SCPO.jpg
Senior Chief Petty Officer (SCPO)
MCPO.jpg
Master Chief Petty Officer (MCPO)


Officer ranks[edit]

Pay Grade Title Insignia
O-1
Officer O1 insignia.svg
O-2
  • Air Force: First Lieutenant (1st Lt)
  • Army: First Lieutenant (1LT)
  • Marine Corps: First Lieutenant (1stLt)
  • Navy: Lieutenant, Junior Grade (LTJG)
Officer O2 insignia.svg
O-3
  • Air Force: Captain (Capt)
  • Army: Captain (CPT)
  • Marine Corps: Captain (CPT)
  • Navy: Lieutenant (LT)
Officer O3 insignia.svg
O-4
  • Air Force: Major (Maj)
  • Army: Major (MAJ)
  • Marine Corps: Major (Maj)
  • Navy: Lieutenant Commander (LCDR)
Officer O4 insignia.svg
O-5
  • Air Force: Lieutenant Colonel (Lt Col)
  • Army: Lieutenant Colonel (LTC)
  • Marine Corps: Lieutenant Colonel (LtCol)
  • Navy: Commander (CDR)
Officer O5 insignia.svg
O-6
  • Air Force: Colonel (Col)
  • Army: Colonel (COL)
  • Marine Corps: Colonel (Col)
  • Navy: Captain (CPTN)
Officer O6 insignia.svg
O-7
  • Air Force: Brigadier General (Brig Gen)
  • Army: Brigadier General (BG)
  • Marine Corps: Brigadier General (BGen)
  • Navy: Rear Admiral (Lower Half) (RDML)
Officer O7 insignia.svg
O-8
  • Air Force: Major General (Maj Gen)
  • Army: Major General (MG)
  • Marine Corps: Major General (MajGen)
  • Navy: Rear Admiral (Upper Half) (RADM)
Officer O8 insignia.svg
O-9
  • Air Force: Lieutenant General (LtGen)
  • Army: Lieutenant General (LTG)
  • Marine Corps: Lieutenant General (LtGen)
  • Navy: Vice Admiral (VADM)
Officer O9 insignia.svg
O-10
  • Air Force: General (Gen)
  • Army: General (GEN)
  • Marine Corps: General (Gen)
  • Navy: Admiral (ADM)
Officer O10 insignia.svg
Special
  • Air Force: General of the Air Force (GAOF)
  • Army: General of the Army (GA)
  • Marine Corps: N/A
  • Navy: Fleet Admiral (FADM)
Officer O11 insignia.svg


Warrant officer[edit]

A warrant officer is a military officer in the Armed Forces ranking above a non-commissioned officer (NCO), but below a commissioned officer. Warrant officers are technical specialists and subject matter experts that are awarded an officer's commission in recognition of their expertise and leadership role. They take the officer's oath of service and are rated above enlisted soldiers, though remain subordinate to full officers. The rank structure of warrant officers consists of two ranks,[3] as follows:

  • Warrant officer (WO): With the rank code of WO-1, a warrant officer serves as a resident technical expert, and may serve as a crew chief or pilot in the UNSC Army.[3]
  • Chief warrant officer (CWO): With the rank code of WO-2, a chief warrant officer serves as a command advisor or or senior subject matter expert. In the UNSC Navy, they may be the captain of a utility ship.[3]

Both the UNSC Navy and Army utilize warrant officers heavily, though they are rarely found in the Marine Corps. Both the Air Force and Spartan Operations are the only service branches that do not select or utilize warrant officers.[3]

Trivia[edit]

  • The Halo Encyclopedia erroneously describes the structure and insignia of the UNSC's ranking system as being identical to those used in Halo multiplayer, Halo 3 in the original printing and Halo: Reach in the 2011 edition.[4]
  • All Marine Corps ranks between Staff Sergeant and Sergeant Major are classified as Staff non-commissioned officers.

Sources[edit]

  1. Halo: Official Spartan Field Manual, PART 8: UNSC ORGANISATION, UNSC Ranks (p. 139)
  2. Halo 4: The Essential Visual Guide, page 33
  3. 3.0 3.1 3.2 3.3 Halo: Official Spartan Field Manual, Part 8: UNSC Organization
  4. Halo Encyclopedia, pages 50-51 (2011 edition)