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Ranks· 🇸🇬 Singapore

Singaporean Military Ranks

The Singaporean Army has 28 ranks — 11 officer and 17 enlisted — from Recruit up to General. Below: all 84 ranks across 3 branches (Army, Navy, Air Force), with insignia and NATO-code equivalents.

Branches

Ranks documented

Active personnel

51K

Army

Rank Ladder Highest first · 28 of 28 matched

🇸🇬 Singapore · Army	NATO code	Equivalent in
Officers
General	OF-9 General	General
Lieutenant-General	OF-8 Lieutenant General	Lieutenant general
Major-General	OF-7 Major General	Major general
Brigadier-General	OF-6 Brigadier General	Brigadier general
Colonel	OF-5 Colonel	Colonel
Senior Lieutenant-Colonel	OF-4 Lieutenant Colonel	Lieutenant colonel
Lieutenant-Colonel	OF-4 Lieutenant Colonel	Lieutenant colonel
Major	OF-3 Major / Commandant	Major
Captain	OF-2 Captain / 1st Lieutenant	Captain
Lieutenant	OF-1 Lieutenant	First lieutenant Second lieutenant
Second Lieutenant	OF-1 Lieutenant	First lieutenant Second lieutenant
Enlisted ranks
Chief Warrant Officer	OR-9 Sergeant Major	Command sergeant major Sergeant major
Senior Warrant Officer	OR-9 Sergeant Major	Command sergeant major Sergeant major
Master Warrant Officer	OR-9 Sergeant Major	Command sergeant major Sergeant major
First Warrant Officer	OR-8 1st Sergeant	First sergeant Master sergeant
Second Warrant Officer	OR-8 1st Sergeant	First sergeant Master sergeant
Third Warrant Officer	OR-7 Sergeant 1st Class	Sergeant first class
Master Sergeant	OR-6 Staff Sergeant	Staff sergeant
Staff Sergeant	OR-6 Staff Sergeant	Staff sergeant
First Sergeant	OR-5 Sergeant	Sergeant
Second Sergeant	OR-5 Sergeant	Sergeant
Third Sergeant	OR-5 Sergeant	Sergeant
Corporal First Class	OR-4 Corporal	Specialist Corporal
Corporal	OR-4 Corporal	Specialist Corporal
Lance Corporal	OR-3 Private 1st Class	Private first class
Private First Class	OR-2 Private	Private
Private	OR-1 Private	Private
Recruit	OR-1 Private	Private

Navy

Rank Ladder Highest first · 28 of 28 matched

🇸🇬 Singapore · Navy	NATO code	Equivalent in
Officers
Admiral	OF-9 General	Admiral
Vice-Admiral	OF-8 Lieutenant General	Vice admiral
Rear-Admiral (Two-Star)	OF-7 Major General	Rear admiral
Rear-Admiral (One-Star)	OF-6 Brigadier General	Rear admiral (lower half)
Colonel	OF-5 Colonel	Captain
Senior Lieutenant-Colonel	OF-4 Lieutenant Colonel	Commander
Lieutenant-Colonel	OF-4 Lieutenant Colonel	Commander
Major	OF-3 Major / Commandant	Lieutenant commander
Captain	OF-2 Captain / 1st Lieutenant	Lieutenant
Lieutenant	OF-1 Lieutenant	Lieutenant (junior grade) Ensign
Second Lieutenant	OF-1 Lieutenant	Lieutenant (junior grade) Ensign
Enlisted ranks
Chief Warrant Officer	OR-9 Sergeant Major	Command master chief petty officer Master chief petty officer
Senior Warrant Officer	OR-9 Sergeant Major	Command master chief petty officer Master chief petty officer
Master Warrant Officer	OR-9 Sergeant Major	Command master chief petty officer Master chief petty officer
First Warrant Officer	OR-8 1st Sergeant	Command senior chief petty officer Senior chief petty officer
Second Warrant Officer	OR-8 1st Sergeant	Command senior chief petty officer Senior chief petty officer
Third Warrant Officer	OR-7 Sergeant 1st Class	Chief petty officer
Master Sergeant	OR-6 Staff Sergeant	Petty officer first class
Staff Sergeant	OR-6 Staff Sergeant	Petty officer first class
First Sergeant	OR-5 Sergeant	Petty officer second class
Second Sergeant	OR-5 Sergeant	Petty officer second class
Third Sergeant	OR-5 Sergeant	Petty officer second class
Corporal First Class	OR-4 Corporal	Petty officer third class
Corporal	OR-4 Corporal	Petty officer third class
Lance Corporal	OR-3 Private 1st Class	Seaman
Private First Class	OR-2 Private	Seaman apprentice
Private	OR-1 Private	Seaman recruit
Recruit	OR-1 Private	Seaman recruit

Air Force

Rank Ladder Highest first · 28 of 28 matched

🇸🇬 Singapore · Air Force	NATO code	Equivalent in
Officers
General	OF-9 General	General
Lieutenant-General	OF-8 Lieutenant General	Lieutenant general
Major-General	OF-7 Major General	Major general
Brigadier-General	OF-6 Brigadier General	Brigadier general
Colonel	OF-5 Colonel	Colonel
Senior Lieutenant-Colonel	OF-4 Lieutenant Colonel	Lieutenant colonel
Lieutenant-Colonel	OF-4 Lieutenant Colonel	Lieutenant colonel
Major	OF-3 Major / Commandant	Major
Captain	OF-2 Captain / 1st Lieutenant	Captain
Lieutenant	OF-1 Lieutenant	First lieutenant Second lieutenant
Second Lieutenant	OF-1 Lieutenant	First lieutenant Second lieutenant
Enlisted ranks
Chief Warrant Officer	OR-9 Sergeant Major	Command chief master sergeant First sergeant Chief master sergeant
Senior Warrant Officer	OR-9 Sergeant Major	Command chief master sergeant First sergeant Chief master sergeant
Master Warrant Officer	OR-9 Sergeant Major	Command chief master sergeant First sergeant Chief master sergeant
First Warrant Officer	OR-8 1st Sergeant	First sergeant Senior master sergeant
Second Warrant Officer	OR-8 1st Sergeant	First sergeant Senior master sergeant
Third Warrant Officer	OR-7 Sergeant 1st Class	First sergeant Master sergeant
Master Sergeant	OR-6 Staff Sergeant	Technical sergeant
Staff Sergeant	OR-6 Staff Sergeant	Technical sergeant
First Sergeant	OR-5 Sergeant	Staff sergeant
Second Sergeant	OR-5 Sergeant	Staff sergeant
Third Sergeant	OR-5 Sergeant	Staff sergeant
Corporal First Class	OR-4 Corporal	Senior airman
Corporal	OR-4 Corporal	Senior airman
Lance Corporal	OR-3 Private 1st Class	Airman first class
Private First Class	OR-2 Private	Airman
Private	OR-1 Private	Airman basic
Recruit	OR-1 Private	Airman basic

Overview

Singapore Army (Tentera Singapura): Conducts land-warfare operations and territorial defense. The force is organized into combined arms divisions and the regional People's Defence Force, utilizing specialized formations including armor, infantry, combat engineers, and commandos. Primary assets include Leopard 2SG main battle tanks, Hunter armored fighting vehicles, and HIMARS rocket artillery.
Republic of Singapore Navy (Angkatan Laut Republik Singapura): Conducts maritime security operations and patrols regional sea lines of communication, specifically the Strait of Malacca and the Singapore Strait. Operating from bases at Changi and Tuas, it deploys frigates, corvettes, submarines, and littoral mission vessels. Specialized elements include the Naval Diving Unit and the multi-agency Maritime Security Task Force.
Republic of Singapore Air Force (Angkatan Udara Republik Singapura): Controls airspace and provides aerial support, transport, and reconnaissance. Operating from Changi, Sembawang, Tengah, and Paya Lebar airbases, its inventory comprises F-15SG and F-16 fighter aircraft, early warning platforms, transport aircraft, and unmanned aerial vehicles. It also manages ground-based air defense systems such as the Aster-30 and SPYDER missile networks.
Digital and Intelligence Service (Perkhidmatan Digital dan Perisikan): Defends military networks and conducts intelligence, cyber, and electronic warfare operations. The service is organized into specialized components including the Defence Cyber Command, Digital Defence Command, and Joint Intelligence Command. It provides early warning capabilities and secures military command, control, and communication systems.

Singapore Military

🇸🇬 vs 🇦🇺 Australia ranks 🇸🇬 vs 🇮🇩 Indonesia ranks 🇸🇬 vs 🇲🇾 Malaysia ranks All rank structures Singapore Military Overview

Wikipedia (CC BY-SA) and other open sources.

Insignia image credits

Punkhung — CC BY-SA 4.0, via Wikimedia Commons: Lieutenant-General, Major-General, Brigadier-General, Colonel, Lieutenant-Colonel, Major, Captain, Lieutenant, Second Lieutenant
SecretSquirrel78 — CC BY-SA 4.0, via Wikimedia Commons: Senior Lieutenant-Colonel, Chief Warrant Officer, Senior Warrant Officer, Master Warrant Officer, First Warrant Officer, Second Warrant Officer, Third Warrant Officer
Public domain, via Wikimedia Commons: Master Sergeant, Staff Sergeant, First Sergeant, Second Sergeant, Third Sergeant
Sam Yong — CC BY-SA 3.0, via Wikimedia Commons: Corporal First Class, Corporal, Lance Corporal, Private First Class