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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 senior (first lieutenant) and junior (second lieutenant) rank.


In navies, while certain rank insignia may carry the name lieutenant, the term may also be used to relate to a particular post or duty, rather than a rank.

First lieutenant

 United States

 U.S. Army
 U.S. Marine Corps
 U.S. Air Force
 U.S. Space Force

1LT (Army)
1stLt (Marine Corps)
1st Lt (Air Force and Space Force)

Junior officer

OF-1

O-2

Captain

Second lieutenant

Lieutenant (junior grade)

First lieutenant
(Antigua and Barbuda Regiment)[6]

First lieutenant (Antigua and Barbuda Regiment)[6]

Teniente primero
(Argentine Army)[7]

Teniente primero (Argentine Army)[7]

First lieutenant
(Botswana Ground Force)[8]

First lieutenant (Botswana Ground Force)[8]

Primeiro tenente
(Brazilian Army)[9]

Primeiro tenente (Brazilian Army)[9]

Primeiro tenente
(Cape Verdean National Guard)[10]

Primeiro tenente (Cape Verdean National Guard)[10]

Primer teniente
(Cuban Revolutionary Army)[11]

Primer teniente (Cuban Revolutionary Army)[11]

Premierløjtnant
(Royal Danish Army)[12]

Premierløjtnant (Royal Danish Army)[12]

Primer teniente
(Dominican Army)[13]

Primer teniente (Dominican Army)[13]

Yliluutnantti
Swedish: Premiärlöjtnant
(Finnish Army)[14]

Yliluutnantti Swedish: Premiärlöjtnant (Finnish Army)[14]

First lieutenant
(Gambian National Army)

First lieutenant (Gambian National Army)

Primeiro tenente
(Army of Guinea-Bissau)

Primeiro tenente (Army of Guinea-Bissau)

Letnan satu
(Indonesian Army)[15]

Letnan satu (Indonesian Army)[15]

First lieutenant
(Liberian Ground Forces)[16]

First lieutenant (Liberian Ground Forces)[16]

Lieutenant en premier
(Luxembourg Army)[17]

Lieutenant en premier (Luxembourg Army)[17]

1e Luitenant
(Royal Netherlands Army)[18]

1e Luitenant (Royal Netherlands Army)[18]

Teniente primero
(Nicaraguan Army)[19]

Teniente primero (Nicaraguan Army)[19]

Teniente primero
(Paraguayan Army)[20]

Teniente primero (Paraguayan Army)[20]

First lieutenant
(Philippine Army)[21]

First lieutenant (Philippine Army)[21]

First lieutenant
(United States Army)[22]

First lieutenant (United States Army)[22]

Teniente primero
(National Army of Uruguay)[23]

Teniente primero (National Army of Uruguay)[23]

Primer teniente
(Venezuelan Army)[24]

Primer teniente (Venezuelan Army)[24]