Second lieutenant is a junior

commissioned officer An officer is a person who holds a position of authority as a member of an armed force or uniformed service. Broadly speaking, "officer" means a commissioned officer, a non-commissioned officer, or a warrant officer. However, absent context ...

military rank Military ranks are a system of hierarchical relationships, within armed forces, police, intelligence agencies or other institutions organized along military lines. The military rank system defines dominance, authority, and responsibility in a ...

in many

armed forces A military, also known collectively as armed forces, is a heavily armed, highly organized force primarily intended for warfare. It is typically authorized and maintained by a sovereign state, with its members identifiable by their distinct ...

, comparable to NATO

OF-1 Ranks and insignia of NATO are combined military insignia used by the member countries of the NATO, North Atlantic Treaty Organization. The rank scale is used for specifying posts within NATO. Definitions NATO maintains a "standard rank scal ...

rank.

Australia

The rank of second lieutenant existed in the military forces of the Australian colonies and

Australian Army The Australian Army is the principal Army, land warfare force of Australia, a part of the Australian Defence Force (ADF) along with the Royal Australian Navy and the Royal Australian Air Force. The Army is commanded by the Chief of Army (Austral ...

until 1986. In the colonial forces, which closely followed the practices of the British military, the rank of second lieutenant began to replace ranks such as

ensign An ensign is the national flag flown on a vessel to indicate nationality. The ensign is the largest flag, generally flown at the stern (rear) of the ship while in port. The naval ensign (also known as war ensign), used on warships, may be diffe ...

and

cornet The cornet (, ) is a brass instrument similar to the trumpet but distinguished from it by its conical bore, more compact shape, and mellower tone quality. The most common cornet is a transposing instrument in B, though there is also a sopr ...

from 1871. New appointments to the rank of second lieutenant ceased in the regular army in 1986. Immediately prior to this change, the rank had been effectively reserved for new graduates from the

Officer Cadet School, Portsea The Officer Cadet School, Portsea (sometimes referred to as OCS Portsea) was an officer training establishment of the Australian Army. Established at Portsea in Victoria, Australia, in 1951 to provide training to officer cadets prior to commissio ...

which closed in 1985. (Graduates of the

Australian Defence Force Academy The Australian Defence Force Academy (ADFA) is a tri-service military Academy that provides military and academic education for junior officers of the Australian Defence Force in the Royal Australian Navy (RAN), Australian Army and Royal Aus ...

(ADFA) and the

Royal Military College, Duntroon lit: Learning promotes strength , established = , type = Military college , chancellor = , head_label = Commandant , head = Brigadier Ana Duncan , principal = , city = Campbell , state ...

(RMC-D) are commissioned as

lieutenant A lieutenant ( , ; abbreviated Lt., Lt, LT, Lieut and similar) is a commissioned officer rank in the armed forces of many nations. The meaning of lieutenant differs in different militaries (see comparative military ranks), but it is often sub ...

s.). The rank of second lieutenant is only appointed to officers in special appointments such as training institutions, university regiments and while under probation during training. Trainees undertaking Special Service Officer (SSO) training are also appointed at higher rank (as second lieutenants) than General Service Officer (GSO) trainees who start off at the rank of officer cadet (ADFA/

Australian Army Reserve The Australian Army Reserve is a collective name given to the reserve units of the Australian Army. Since the Federation of Australia in 1901, the reserve military force has been known by many names, including the Citizens Forces, the Citizen ...

officer trainees) or staff cadet (

). Ranks equivalent to second lieutenant are acting sub-lieutenant in the

Royal Australian Navy The Royal Australian Navy (RAN) is the principal naval force of the Australian Defence Force (ADF). The professional head of the RAN is Chief of Navy (CN) Vice Admiral Mark Hammond AM, RAN. CN is also jointly responsible to the Minister of ...

and

pilot officer Pilot officer (Plt Off officially in the RAF; in the RAAF and RNZAF; formerly P/O in all services, and still often used in the RAF) is the lowest commissioned rank in the Royal Air Force and the air forces of many other Commonwealth countri ...

in the

Royal Australian Air Force "Through Adversity to the Stars" , colours = , colours_label = , march = , mascot = , anniversaries = RAAF Anniversary Commemoration ...

Canada

The

Canadian Forces } The Canadian Armed Forces (CAF; french: Forces armées canadiennes, ''FAC'') are the unified military forces of Canada, including sea, land, and air elements referred to as the Royal Canadian Navy, Canadian Army, and Royal Canadian Air Force. ...

adopted the rank with insignia of a single gold ring around the service dress uniform cuff for both army and air personnel upon unification in 1968 until the late 2000s. For a time, naval personnel used this rank but reverted to the Royal Canadian Navy rank of acting sub-lieutenant, though the CF green uniform was retained until the mid-1980s. Currently, the

Canadian Army The Canadian Army (french: Armée canadienne) is the command responsible for the operational readiness of the conventional ground forces of the Canadian Armed Forces. It maintains regular forces units at bases across Canada, and is also respo ...

insignia for second lieutenant is a ''pip'' and the

Royal Canadian Air Force The Royal Canadian Air Force (RCAF; french: Aviation royale canadienne, ARC) is the air and space force of Canada. Its role is to "provide the Canadian Forces with relevant, responsive and effective airpower". The RCAF is one of three environm ...

insignia for lieutenant is one thick braid. The equivalent rank for the

Royal Canadian Navy The Royal Canadian Navy (RCN; french: Marine royale canadienne, ''MRC'') is the naval force of Canada. The RCN is one of three environmental commands within the Canadian Armed Forces. As of 2021, the RCN operates 12 frigates, four attack submar ...

is acting sub-lieutenant. Also known as an Ensign in the Foot Guards units (

Canadian Grenadier Guards , colors = , march = Quick: "The British Grenadiers""Slow: "Grenadiers Slow March""Slow: "Scipio" , mascot = , identification_symbol = White (left side of bearski ...

Governor General's Foot Guards The Governor General's Foot Guards (GGFG) is the senior reserve infantry regiment in the Canadian Army. Located in Ottawa at the Cartier Square Drill Hall, the regiment is a Primary Reserve infantry unit, and the members are part-time soldiers. ...

France

A second-lieutenant is equivalent to a junior commissioned officer (the French army does not use the terms commissioned or non-commissioned). During classes at officer training schools such as Saint Cyr the cadets rise quickly through the non-commissioned ranks of private, corporal, sergeant and reach the rank of ''aspirant'' which is the first officer rank. After additional training at specialised schools they get the bar of second-lieutenant. The insignia consists of a metal-colored bar in accordance with the color of the ceremonial uniform buttons and hat symbol. For example, for the infantry, gold being the metal of the ceremonial dress buttons, the symbol on the

béret A beret ( or ; ; eu, txapela, ) is a soft, round, flat-crowned cap, usually of woven, hand-knitted wool, crocheted cotton, wool felt, or acrylic fibre. Mass production of berets began in 19th century France in the long nineteenth century, ...

being a golden grenade with two crossed rifles, and the symbol on the ''

képi The kepi ( ) is a cap with a flat circular top and a peak, or visor. In English, the term is a loanword of french: képi, itself a re-spelled version of the gsw, Käppi, a diminutive form of , meaning "cap". In Europe, this headgear is most ...

'' being a single golden grenade, therefore the insignia of a ''sous-lieutenant'' is a gold-colored bar. For cavalry or forest rangers (light infantry mobilised from the Water and Forests Corp), ceremonial dress buttons were silver, as was the hunting horn on the forest commissioned officer's ''képi'', therefore the insignia of a ''sous-lieutenant'' is a silver-colored bar.

Indonesia

Indonesia Indonesia, officially the Republic of Indonesia, is a country in Southeast Asia and Oceania between the Indian and Pacific oceans. It consists of over 17,000 islands, including Sumatra, Java, Sulawesi, and parts of Borneo and New Guine ...

, "second lieutenant" is known as ''letnan dua'' (''letda'') which is the most junior ranked officer in the

Indonesian Military , founded = as the ('People's Security Forces') , current_form = , disbanded = , branches = , headquarters = Cilangkap, Jakarta , website = , commander-in-chief = Joko Widodo , ...

. Officers in the Indonesian National Armed Forces are commissioned through one of four major commissioning programs. Upon graduation the candidates are promoted to the rank of second lieutenant, thus becoming

s. The four programs are: * National Armed Forces Academy (''Akademi TNI''): a four-year undergraduate program that emphasizes instruction in the arts, sciences, and professions, preparing men and women to take on the challenge of being officers in the armed forces (Army:

Military Academy A military academy or service academy is an educational institution which prepares candidates for service in the officer corps. It normally provides education in a military environment, the exact definition depending on the country concerned. ...

, Navy:

Naval Academy A naval academy provides education for prospective naval officers. See also * Military academy A military academy or service academy is an educational institution which prepares candidates for service in the officer corps. It normally pro ...

, Air Force:

Air Force Academy An air force academy or air academy is a national institution that provides initial officer training, possibly including undergraduate level education, to air force officer cadets who are preparing to be commissioned officers in a national air for ...

); *

Officer Candidate School An officer candidate school (OCS) is a military school which trains civilians and Enlisted rank, enlisted personnel in order for them to gain a Commission (document), commission as Commissioned officer, officers in the armed forces of a country. ...

: a 28-week program that is attended by senior NCOs or

warrant officer Warrant officer (WO) is a rank or category of ranks in the armed forces of many countries. Depending on the country, service, or historical context, warrant officers are sometimes classified as the most junior of the commissioned ranks, the mos ...

s from all services; * Career Officer Program for college graduates: a 7–8 month program that is designed to recruit civilian professionals (e.g., doctors, dentists, pharmacists, psychologists) into the armed forces; * Pilot Short Service School: a 34-month program to train pilots to serve in the armed forces.

New Zealand

Like many other Commonwealth countries, the rank structures of the

New Zealand Defence Force The New Zealand Defence Force (NZDF; mi, Te Ope Kātua o Aotearoa, "Line of Defence of New Zealand") are the armed forces of New Zealand. The NZDF is responsible for the protection of the national security of New Zealand and her realm, prom ...

usually follow British traditions. Hence the

New Zealand Army , image = New Zealand Army Logo.png , image_size = 175px , caption = , start_date = , country = , branch = ...

maintains a rank of second lieutenant and the

Royal New Zealand Air Force The Royal New Zealand Air Force (RNZAF) ( mi, Te Tauaarangi o Aotearoa, "The Warriors of the Sky of New Zealand"; previously ', "War Party of the Blue") is the aerial service branch of the New Zealand Defence Force. It was formed from New Zeala ...

has its exact equivalent,

. However, the

Royal New Zealand Navy The Royal New Zealand Navy (RNZN; mi, Te Taua Moana o Aotearoa, , Sea Warriors of New Zealand) is the maritime arm of the New Zealand Defence Force. The fleet currently consists of nine ships. The Navy had its origins in the Naval Defence Act ...

breaks with British tradition and uses the name

for its most junior commissioned officer rank (rather than the usual equivalents, such as acting sub-lieutenant or second lieutenant).

Pakistan

The

Pakistan Army The Pakistan Army (, ) is the Army, land service branch of the Pakistan Armed Forces. The roots of its modern existence trace back to the British Indian Army that ceased to exist following the partition of India, Partition of British India, wh ...

follows the British pattern of ranks. A second lieutenant is represented by one metal pip on each shoulder in case of "khaki uniform" and one diamond star on the chest in case of camouflage combat dress. However a second lieutenant in the Pakistan Army is usually promoted to lieutenant 6 months after commissioning. Test for 2nd lieutenant is held every year twice in Pakistan. It is the smallest rank among commissioned officers.

Philippines

In the

Armed Forces of the Philippines The Armed Forces of the Philippines (AFP) ( fil, Sandatahang Lakas ng Pilipinas) are the military forces of the Philippines. It consists of three main service branches; the Army, the Air Force, and the Navy (including the Marine Corps). The ...

, the rank of second lieutenant is the lowest commissioned officer rank used by the

Philippine Army The Philippine Army (PA) (Tagalog: ''Hukbong Katihan ng Pilipinas''; in literal English: ''Army of the Ground of the Philippines''; in literal Spanish: ''Ejército de la Tierra de la Filipinas'') is the main, oldest and largest branch of the ...

, Philippine Air Force and the

Philippine Marine Corps The Philippine Marine Corps (PMC) ( fil, Hukbong Kawal Pandagat ng Pilipinas) is the marine corps of the Philippines, a naval infantry force under the command of the Philippine Navy. The PMC conducts amphibious, expeditionary, and special op ...

. It stands below the rank of

First Lieutenant First lieutenant is a commissioned officer military rank in many armed forces; in some forces, it is an appointment. The rank of lieutenant has different meanings in different military formations, but in most forces it is sub-divided into a s ...

Singapore

Singapore Singapore (), officially the Republic of Singapore, is a sovereign island country and city-state in maritime Southeast Asia. It lies about one degree of latitude () north of the equator, off the southern tip of the Malay Peninsula, borde ...

, the rank of second lieutenant (2LT) is awarded to officer cadets who have graduated from the completion of their officer cadet course, and is the lowest commissioned rank in the

Singapore Armed Forces The Singapore Armed Forces (SAF) are the military services of the Republic of Singapore, responsible for protecting and defending the security interests and the sovereignty of the country. A military component of the Ministry of Defence (MIND ...

, below the rank of lieutenant and above the rank of chief

. The rank insignia of a second lieutenant is a bar.

United Kingdom and other Commonwealth countries

The rank of second lieutenant (2Lt) was introduced throughout the

British Army The British Army is the principal land warfare force of the United Kingdom, a part of the British Armed Forces along with the Royal Navy and the Royal Air Force. , the British Army comprises 79,380 regular full-time personnel, 4,090 Gurk ...

in 1877 to replace the short-lived rank of

sub-lieutenant Sub-lieutenant is usually a junior officer rank, used in armies, navies and air forces. In most armies, sub-lieutenant is the lowest officer rank. However, in Brazil, it is the highest non-commissioned rank, and in Spain, it is the second high ...

, although it had long been used in the

Royal Artillery The Royal Regiment of Artillery, commonly referred to as the Royal Artillery (RA) and colloquially known as "The Gunners", is one of two regiments that make up the artillery arm of the British Army. The Royal Regiment of Artillery comprises t ...

Royal Engineers The Corps of Royal Engineers, usually called the Royal Engineers (RE), and commonly known as the ''Sappers'', is a corps of the British Army. It provides military engineering and other technical support to the British Armed Forces and is heade ...

, Fusilier and

Rifle A rifle is a long-barreled firearm designed for accurate shooting, with a barrel that has a helical pattern of grooves ( rifling) cut into the bore wall. In keeping with their focus on accuracy, rifles are typically designed to be held with ...

regiment A regiment is a military unit. Its role and size varies markedly, depending on the country, service and/or a specialisation. In Medieval Europe, the term "regiment" denoted any large body of front-line soldiers, recruited or conscripted ...

s. At first the rank bore no distinct insignia. In 1902, a single Bath star was introduced; the ranks of

and

captain Captain is a title, an appellative for the commanding officer of a military unit; the supreme leader of a navy ship, merchant ship, aeroplane, spacecraft, or other vessel; or the commander of a port, fire or police department, election precinct, e ...

had their number of stars increased by one to (respectively) two and three. The rank is also used by the

Royal Marines The Corps of Royal Marines (RM), also known as the Royal Marines Commandos, are the UK's special operations capable commando force, amphibious light infantry and also one of the five fighting arms of the Royal Navy. The Corps of Royal Marine ...

. New British Army officers are normally commissioned as second lieutenants at the end of their commissioning course at

RMA Sandhurst The Royal Military Academy Sandhurst (RMAS or RMA Sandhurst), commonly known simply as Sandhurst, is one of several military academy, military academies of the United Kingdom and is the British Army's initial Commissioned officer, officer train ...

, and continue with specific training with their units. Progression to lieutenant rank usually occurs after about a year. In the British armed forces, ''second lieutenant'' is a rank which is not used as a form of address. Instead a second lieutenant named, for example, ''Smith'' is addressed and referred to as ''Mr Smith'', with the exception that the alternative titles ''ensign'' ( Foot Guards) and ''cornet'' (in the

Blues and Royals The Blues and Royals (Royal Horse Guards and 1st Dragoons) (RHG/D) is a cavalry regiment of the British Army, part of the Household Cavalry Regiment. The Colonel of the Regiment is Anne, Princess Royal. It is the second-most senior regiment in ...

and

Queen's Royal Hussars The Queen's Royal Hussars (The Queen's Own and Royal Irish) (QRH) is a British armoured regiment. It was formed on 1 September 1993 from the amalgamation of the Queen's Own Hussars and the Queen's Royal Irish Hussars. The regiment and its antece ...

) are still used. In the

Royal Air Force The Royal Air Force (RAF) is the United Kingdom's air and space force. It was formed towards the end of the First World War on 1 April 1918, becoming the first independent air force in the world, by regrouping the Royal Flying Corps (RFC) and ...

, the comparable rank is

. The

Royal Navy The Royal Navy (RN) is the United Kingdom's naval warfare force. Although warships were used by English and Scottish kings from the early medieval period, the first major maritime engagements were fought in the Hundred Years' War against F ...

has no exact equivalent rank, and a second lieutenant is senior to a Royal Navy

midshipman A midshipman is an officer of the lowest rank, in the Royal Navy, United States Navy, and many Commonwealth navies. Commonwealth countries which use the rank include Canada (Naval Cadet), Australia, Bangladesh, Namibia, New Zealand, South Afr ...

but junior to a

United States

In the

United States The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country primarily located in North America. It consists of 50 states, a federal district, five major unincorporated territorie ...

, second lieutenant is the normal entry-level rank for most

commissioned officers An officer is a person who holds a position of authority as a member of an armed force or uniformed service. Broadly speaking, "officer" means a commissioned officer, a non-commissioned officer, or a warrant officer. However, absent context ...

in the

Army An army (from Old French ''armee'', itself derived from the Latin verb ''armāre'', meaning "to arm", and related to the Latin noun ''arma'', meaning "arms" or "weapons"), ground force or land force is a fighting force that fights primarily on ...

Marine Corps Marines, or naval infantry, are typically a military force trained to operate in littoral zones in support of naval operations. Historically, tasks undertaken by marines have included helping maintain discipline and order aboard the ship (refl ...

Air Force An air force – in the broadest sense – is the national military branch that primarily conducts aerial warfare. More specifically, it is the branch of a nation's armed services that is responsible for aerial warfare as distinct from an a ...

, and

Space Force A space force is a military branch of a nation's armed forces that conducts military operations in outer space and space warfare. The world's first space force was the Russian Space Forces, established in 1992 as an independent military service. ...

. It is equivalent to the rank of

in the

Navy A navy, naval force, or maritime force is the branch of a nation's armed forces principally designated for naval warfare, naval and amphibious warfare; namely, lake-borne, riverine, littoral zone, littoral, or ocean-borne combat operations and ...

Coast Guard A coast guard or coastguard is a maritime security organization of a particular country. The term embraces wide range of responsibilities in different countries, from being a heavily armed military force with customs and security duties to ...

Public Health Service Commissioned Corps The United States Public Health Service Commissioned Corps (PHSCC), also referred to as the Commissioned Corps of the United States Public Health Service, is the federal uniformed service of the U.S. Public Health Service (PHS) and one of the e ...

, and

National Oceanic and Atmospheric Administration Commissioned Officer Corps The National Oceanic and Atmospheric Administration Commissioned Officer Corps, known informally as the NOAA Corps, is one of eight federal uniformed services of the United States, and operates under the National Oceanic and Atmospheric Administ ...

. In the Army and Marine Corps, a second lieutenant typically leads a

platoon A platoon is a military unit typically composed of two or more squads, sections, or patrols. Platoon organization varies depending on the country and the branch, but a platoon can be composed of 50 people, although specific platoons may range ...

-size element (16 to 44 soldiers or marines). In the Army, until December 1917, the rank bore no

insignia An insignia () is a sign or mark distinguishing a group, grade, rank, or function. It can be a symbol of personal power or that of an official group or governing body. On its own, an insignia is a sign of a specific or general authority and is ...

other than a brown sleeve braid on blouses and an officer's cap device and hat cord. In December 1917, a gold-colored bar similar to the silver-colored bar of a

first lieutenant First lieutenant is a commissioned officer military rank in many armed forces; in some forces, it is an appointment. The rank of lieutenant has different meanings in different military formations, but in most forces it is sub-divided into a s ...

was introduced. In US

military slang Military slang is an array of colloquial terminology used commonly by military personnel, including slang which is unique to or originates with the armed forces. In English-speaking countries, it often takes the form of abbreviations/acronyms or d ...

, the rank is sometimes called "butterbar" in reference to the insignia.

Gallery

Army

Botswana-Army-OF-1a.svg, Second lieutenant
(

Botswana Ground Force The Botswana Ground Forces is the army of the country of Botswana, and the land component of the Botswana Defence Force. History The Botswana Defence Force was raised in April 1977 by an Act of Parliament called the 'BDF Act NO 13 of 1977. At it ...

) File:US Army O1 (Army greens).svg, Second lieutenant
(

United States Army The United States Army (USA) is the land service branch of the United States Armed Forces. It is one of the eight U.S. uniformed services, and is designated as the Army of the United States in the U.S. Constitution.Article II, section 2, cla ...

)

Marines

Generic-Navy-O1.svg,
( Brazilian Marine Corps) 13-TNI Navy-ENS.svg,
(

Indonesian Marine Corps '' ("Glorious on the Land and Sea") , colors = , colors_label = Beret color , march = Mars Korps Marinir , mascot = , equipment = ...

) Maldives Army OF-1a.svg, Second lieutenant

( Maldivian Marine Corps) Generic-Navy-O1.svg,
( Netherlands Marine Corps) POR-Navy-OF1b.svg,
(

Portuguese Marine Corps The Portuguese Marine Corps ( pt, Corpo de Fuzileiros, meaning literally "Corps of Fusiliers") constitutes the Elite Commando Raid Force and Special Operations branch of the Portuguese Navy . It has roles similar to the ones of the USMC Reconnais ...

) British Royal Marines OF-1a.svg, Second lieutenant
(

)
(

United Kingdom The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom (UK) or Britain, is a country in Europe, off the north-western coast of the continental mainland. It comprises England, Scotland, Wales and North ...

) US Marine O1 shoulderboard vertical.svg, Second lieutenant
(

United States Marine Corps The United States Marine Corps (USMC), also referred to as the United States Marines, is the maritime land force service branch of the United States Armed Forces responsible for conducting expeditionary and amphibious operations through combi ...

)

Navy

Generic-Navy-O1.svg,
(

Brazilian Navy ) , colors= Blue and white , colors_label= Colors , march= "Cisne Branco" ( en, "White Swan") (same name as training ship ''Cisne Branco'' , mascot= , equipment= 1 multipurpose aircraft carrier7 submarines6 frigates2 corvettes4 amphibious warf ...

) blank.svg,
( Navy of Guinea-Bissau) 13-TNI Navy-ENS.svg,
(

Indonesian Navy The Indonesian Navy ( id, Tentara Nasional Indonesia Angkatan Laut, , Indonesian National Military-Naval Force, TNI-AL) is the naval branch of the Indonesian National Armed Forces. It was founded on 10 September 1945 and has a role to patrol I ...

) A VNN-OF-1A.svg, Second lieutenant
(

Kenya Navy The Kenya Navy is the naval branch of the Kenya Defence Forces. It is headquartered in Mombasa. Kenya Navy has two major bases for its fleet with it being headquartered in Mtongwe Naval Base, Mombasa and Manda Bay (part of Lamu Archipelago) b ...

) Malawi Navy - OF-1a.svg, Second lieutenant
( Malawi Navy) Maldives-Navy-OF-1b.svg, Second lieutenant

(

Maldivian Coast Guard The Maldivian Coast Guard is the naval or maritime arm of the Maldives National Defence Force (MNDF). Because the Maldives does not have a navy, the MNDF Coast Guard functions as the armed maritime force of the nation with a charter to contribute ...

) Malta-navy-OF-1a.svg, Second lieutenant

( Maritime Squadron of Malta) Generic-Navy-O3.svg,
( Mozambique Naval Command) Peru-Navy-OF-1b.svg,
( Peruvian Navy) POR-Navy-OF1b.svg,
(

Portuguese Navy The Portuguese Navy ( pt, Marinha Portuguesa, also known as ''Marinha de Guerra Portuguesa'' or as ''Armada Portuguesa'') is the naval branch of the Portuguese Armed Forces which, in cooperation and integrated with the other branches of the Port ...

) STeP OF-1b.svg,
( Coast Guard of São Tomé and Príncipe) Seychelles Coast Guard OF-01a (2018).svg, Second lieutenant
( Seychelles Coast Guard) 01-RSN-OF01a.svg, Second lieutenant
( Republic of Singapore Navy) POR-Navy-OF1b.svg,
( Timor-Leste Naval Component)

Air Force

07.Botswana Air Force-2LT.svg, Second lieutenant
(

Botswana Defence Force Air Wing The Botswana Defence Force Air Arm is the air force of the Botswana Defence Force of Botswana in southern Africa. Chiefs of the Defence Staff Air Wing The former heads of the Botswana Armed Forces Air Wing were referred to while in office as ...

) Segundo-TenenteFAB.gif,
(

Brazilian Air Force "Wings that protect the country" , colours = , colours_label = , march = Hino dos Aviadores , mascot = , anniversaries = 22 May (anniver ...

) Canadian RCAF OF-1a.svg, Second lieutenant

(

) RDAF 2nd_Lt.svg,
(

Royal Danish Air Force The Royal Danish Air Force ( da, Flyvevåbnet, lit=The Flying weapon) (RDAF) is the aerial warfare force of The Kingdom of Denmark and one of the four branches of the Danish Defence. Initially being components of the Army and the Navy, it was ...

) Capona segundo teniente fuerza aerea.svg,
( Dominican Air Force) 13-TNI Air Force-2LT.svg,
(

Indonesian Air Force The Indonesian Air Force ( id, Tentara Nasional Indonesia Angkatan Udara (TNI-AU), literally "''Indonesian National Military-Air Force''") sometimes shortened as IDAF / IdAF, is the aerial branch of the Indonesian National Armed Forces. The I ...

) Ireland-AirForce-OF-1a.svg, Second lieutenant

(

Irish Air Corps "Watchful and Loyal" , colours = , colours_label = , march = , mascot = , anniversaries = , equipment = , equipment_label = , battles = ''see list of wars'' , decorations = , battle_honours = , battle_honours_label = , fl ...

) Jamaican Air Force OF-1A.svg, Second lieutenant
(

Jamaica Defence Force Air Wing The Jamaica Defence Force (JDF) is the combined military of Jamaica, consisting of an infantry Regiment and Reserve Corps, an Air Wing, a Coast Guard fleet and a supporting Engineering Unit. The JDF is based upon the British military model, with ...

) 07. Kenyan Air Force 2LT.svg, Second lieutenant
( Kenya Air Force) blank.svg, Second lieutenant
( Lesotho Air Squadron) blank.svg, Second lieutenant
( Liberian Air Wing) Malawi Air Force - OF-1a.svg, Second lieutenant
( Malawi Air Force) Netherlands-AirForce-OF-1a.svg,
( Royal Netherlands Air Force) PNGDF AF 2LT.png, Second lieutenant
( Papua New Guinea Air Element) PAF 2LT Svc.svg, Second lieutenant
( Philippine Air Force) 07-Rwanda Air Force-2LT.svg, Second lieutenant
(

Rwandan Air Force The Rwandan Air Force (french: Force aérienne rwandaise) is the air branch of the Rwandan Defence Forces. History After achieving independence in 1962, the Air Force was formed with the aid of Belgium, the initial aircraft consisted of three ...

) 01-RSAF-OF01a.svg, Second lieutenant
(

Republic of Singapore Air Force The Republic of Singapore Air Force (RSAF) is the aerial service branch of the Singapore Armed Forces (SAF) responsible for controlling and defending the airspace of the country, and providing air support to the Army and Navy. It was establi ...

) Seychelles Air Force OF-01a (2018).svg, Second lieutenant
( Seychelles Air Force) SAAF-OF-1a.svg, Second lieutenant

(

South African Air Force "Through hardships to the stars" , colours = , colours_label = , march = , mascot = , anniversaries = , equipment ...

) 08-Tanzania Air Force-2LT.svg, Second lieutenant
(

Tanzania Air Force Command The Tanzania Air Force Command ( sw, Kamandi ya Jeshi la Anga) is the aerial service branch of the Tanzania People's Defence Force (TPDF). The current commander of the Tanzania Air Force Command is Major General SB MANI , who replaced major gen ...

) Uganda-AirForce-OF-1a.svg, Second lieutenant
(

Uganda Air Force Ugandan People's Defence Force Air Force, more commonly known as Ugandan Air Force, is the branch of the Uganda People's Defence Force that deals with the air warfare. It headquarters is located at Entebbe, Uganda. The current air force commander ...

) US Air Force O1 shoulderboard.svg, Second lieutenant
(

United States Air Force The United States Air Force (USAF) is the air service branch of the United States Armed Forces, and is one of the eight uniformed services of the United States. Originally created on 1 August 1907, as a part of the United States Army Signal ...

) Hellenic Air Force OF-1B.svg,
(

Uruguayan Air Force The Uruguayan Air Force ( es, Fuerza Aérea Uruguaya, abbreviated FAU) is the air service branch of the Armed Forces of Uruguay. Originally created as part of the National Army of Uruguay, the Air Force was established as a separate branch on Dec ...

) blank.svg, Second lieutenant
(

Zambian Air Force The Zambian Air Force (ZAF) is the air force of Zambia and the air operations element of the Zambian Defence Force. Following the creation of the Republic of Zambia in 1964, the former Northern Rhodesia Air Force was renamed as the Zambian Air ...

)

Space Force

US Air Force O1 shoulderboard.svg, Second lieutenant
(

United States Space Force The United States Space Force (USSF) is the space service branch of the U.S. Armed Forces, one of the eight U.S. uniformed services, and the world's only independent space force. Along with its sister branch, the U.S. Air Force, the Space ...

)

References

{{US officer ranks, collapse=collapsed Military ranks of Canada Military ranks of Australia Military ranks of Pakistan Military ranks of the British Army Military ranks of the Commonwealth Military ranks of the Royal Marines Military ranks of the United States Army Officer ranks of the United States Air Force Officer ranks of the United States Space Force Military ranks of the United States Marine Corps Military ranks of Singapore Military ranks of the Nepali Army