Lieutenant


 * This article describes the Starfleet rank. For the Marines see first lieutenant and second lieutenant. For Federation Starfighter Corps in Star Trek: Remington, see senior lieutenant.

Lieutenant is a military rank used in Earth Starfleet and Federation Starfleet, superior to ensign and lieutenant junior grade and subordinate to lieutenant commander and commander. Lieutenants are often technical specialists (navigator, communications officer), heads of small sections, or second-in-command of larger sections (under a lieutenant commander).

The corresponding rank in the Marines is captain, and in the Federation Starfighter Corps, the corresponding rank is colonel. In the Starfleet Starfighter Corps the equivalent rank is either flight lieutenant or lieutenant.

Sogh was the Klingon term for a lieutenant. A platoon of 25 warriors was commanded by a Sogh. 

The rank was also used by the Federation Starfighter Corps, where it is the lowest officer rank and is immediately subordinate to senior lieutenant. The rank is also used by the Kellarian System Defense Forces.

History
The term comes from the navies of the 20th century. The USN abbreviation was LT.

In the 20th century the word was pronounced 'lef-tenant' by English speakers, except in the USA, where the more regular pronunciation 'loo-tenant' took hold with the help of spelling reformers of the 19th century. Non-Earthians use the American pronunciation. Some Earth people use the traditional pronunciation. 

The Romulan Star Navy and Romulan Ground Forces have ranks that in English are called lieutenant. In the Star Navy it is the rank above sublieutenant and below centurion, while in the RGF it is above sublieutenant and below captain.

Andorian Imperial Guard have ranks that in English are called lieutenant.

Starfleet lieutenants

 * See Category:Starfleet lieutenants


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