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Lieutenant (navy)

Lieutenant[nb 1] (abbreviated Lt, LT (U.S.), LT(USN), Lieut and LEUT, depending on nation) is a commissioned officer rank in many English-speaking nations' navies and coast guards. It is typically the most senior of junior officer ranks. In most navies, the rank's insignia may consist of two medium gold braid stripes, the uppermost stripe featuring an executive curl in many Commonwealth of Nations; or three stripes of equal or unequal width.

The now immediately senior rank of lieutenant commander was formerly a senior naval lieutenant rank. Many navies also use a subordinate rank of sub-lieutenant. The appointment of "first lieutenant" in many navies is held by a senior lieutenant.

This naval lieutenant ranks higher than an army lieutenants; within NATO countries the naval rank of lieutenant is a OF-2 and is the equivalent rank of an army captain. Other nations will use a naval lieutenant rank equivalent to an army lieutenant.


From at least 1580,[1] the lieutenant on a ship had been the officer immediately subordinate to the captain. Before the English Restoration, lieutenants were appointed by their captains, and this inevitably led to abuses and to the widespread appointment of men of insufficient qualification. In 1677, Samuel Pepys, while he was Chief Secretary to the Admiralty, introduced the first examination for lieutenant,[2] and thereafter their seniority was dated from the passing of this examination.

A lieutenant was numbered by his seniority within the ship on which he served, so that a frigate (which was entitled to three) would have a first, a second, and a third lieutenant. A first-rate ship was entitled to six, and they were numbered accordingly. At first, a lieutenant's commission was given only for the particular ship in which he served, but after the loss of HMS Wager in 1741 and the subsequent mutiny, the Royal Navy changed its policy and lieutenants were given more general commissions upon passing their examination.[1]

During the early days of the naval rank, some lieutenants could be very junior indeed, while others could be on the cusp of promotion to captain; those lieutenants ranged across present-day army ranks from a second lieutenant through to a lieutenant colonel. As the rank structure of navies stabilized, and the ranks of commander, lieutenant commander, and sub-lieutenant (or lieutenant, junior grade in the U.S. services) were introduced, the rank of naval lieutenant became less wide-ranging and is today the equivalent of an army captain.


In the United States Navy, promotion to lieutenant is governed by United States Department of Defense policies derived from the Defense Officer Personnel Management Act (DOPMA) of 1980. The United States Coast Guard follows the same policy regarding promotion to lieutenant. DOPMA guidelines suggest that at least 95% of lieutenants (junior grade) should be promoted to lieutenant after serving a minimum of two years at the lower rank.[citation needed]

In the Royal Navy, promotion to lieutenant is done in line with seniority. Officers are typically promoted after serving as a sub-lieutenants (OF-1) for 30 months.[3] However, promotion may be quicker if a candidate has previous naval service and commissions from the ranks (upper yardsman/senior upper yardsman).[4]

"First lieutenant" in naval usage

The first lieutenant (1st Lt or 1LT) in the Royal Navy and other Commonwealth navies, is a post or appointment, rather than a rank. Historically, the lieutenants in a ship were ranked in accordance with seniority, with the most senior being termed the first lieutenant and acting as the second-in-command. Although lieutenants are no longer numbered by seniority, the post of "first lieutenant" remains.

In minor war vessels, destroyers and frigates, the first lieutenant (either a lieutenant or lieutenant commander) is second in command, executive officer (XO) and head of the executive branch; in larger ships, where a commander of the warfare specialisation is appointed as the executive officer, a first lieutenant (normally a lieutenant commander) is appointed as his deputy. The post of first lieutenant in a shore establishment carries a similar responsibility to that of the first lieutenant of a capital ship.

In the U.S. Navy or U.S. Coast Guard, the billet of first lieutenant describes the officer in charge of the deck department or division, depending on the size of the ship. In smaller ships that have only a single deck division, the billet is typically filled by an ensign; while in larger ships, with a deck department consisting of multiple subordinate divisions, the billet may be filled by a lieutenant commander. On submarines and smaller Coast Guard cutters, the billet of first lieutenant may be filled by a petty officer.

Rank insignia

The insignia of a lieutenant in many navies, including the Royal Navy,[5] consists of two medium gold braid stripes (top stripe with loop) on a navy blue or black background. This pattern was copied by the United States Navy, the United States Coast Guard, United States Public Health Service (USPHS) Commissioned Corps the National Oceanographic and Atmospheric Administration Commissioned Officer Corps (NOAA Corps), and various air forces (primarily those of the United Kingdom, British Commonwealth, and nations formerly aligned with the Crown) for their equivalent ranks and grades, except that the executive curl is removed (see flight lieutenant).

In the United States, contingent on the type of uniform worn, U.S. Navy, U.S. Coast Guard, USPHS Commissioned Corps, and NOAA Corps lieutenants also wear pin-on metal collar, shoulder, or headgear insignia, or cloth shoulder, collar, tabbed, or headgear insignia identical to that of a United States Marine Corps captain and similar to that of a United States Army, United States Air Force, or United States Space Force captain.


See also


  1. ^ The pronunciation of lieutenant is generally split between /lɛfˈtɛnənt/ lef-TEN-ənt, /lɪf-/ lif-, generally in the United Kingdom, Ireland, and Commonwealth countries, and /lˈtɛnənt/ loo-TEN-ənt, /lə-/, generally associated with the United States. See lieutenant.


  1. ^ a b "Officer Ranks in the Royal Navy - Lieutenant". Royal Naval Museum. Archived from the original on 11 October 2014. Retrieved 11 October 2008.
  2. ^ J. D. Davies, Gentlemen and Tarpaulins (Oxford University Press, 1991, ISBN 978-0-19-820263-9), p. 40
  3. ^ "Royal Navy Life | Shaping Your Career Progression". Retrieved 5 January 2020.
  4. ^ "BR3, Chapter 50 - Royal Navy Promotions" (PDF).
  5. ^ "Uniforms and Badges of Rank - Royal Navy website". Archived from the original on 12 October 2008. Retrieved 5 October 2008.
  6. ^ Antigua & Barbuda Defence Force. "Paratus" (PDF). Regional Publications Ltd. pp. 12–13. Archived from the original (PDF) on 7 June 2022. Retrieved 2 March 2020.
  7. ^ "Badges of rank" (PDF). Department of Defence (Australia). Retrieved 31 May 2021.
  8. ^ "OFFICER RANKS". Royal Bahamas Defence Force. Retrieved 14 January 2021.
  9. ^ Bangladesh Navy. "Rank of Navy & Equivalent Rank". Retrieved 27 May 2021.
  10. ^ "Admiralty Ranks". Royal Brunei Navy. Retrieved 1 September 2021.
  11. ^ "Ranks and appointment". Government of Canada. 23 November 2017. Retrieved 28 May 2021.
  12. ^ "Ranks & Insignia". Join Indian Navy. Retrieved 12 April 2021.
  13. ^ "Naval Service Rank Markings". Defence Forces (Ireland). Archived from the original on 25 April 2016. Retrieved 26 May 2021.
  14. ^ "BADGES OF RANK". Official Jamaica Defence Force Website. 2019. Archived from the original on 20 August 2020. Retrieved 16 November 2019.
  15. ^ "Defense Act of 2008" (PDF). 3 September 2008. p. 8. Retrieved 20 November 2017.
  16. ^ "Pangkat". (in Malay). Malaysian Armed Forces. Archived from the original on 29 April 2020. Retrieved 4 June 2021.
  17. ^ "Government Notice" (PDF). Government Gazette of the Republic of Namibia. Vol. 4547. 20 August 2010. pp. 99–102. Retrieved 20 December 2021.
  18. ^ "Badges of Rank" (PDF). New Zealand Defence Force. Retrieved 28 July 2022.
  19. ^ Smaldone, Joseph P. (1992). "National Security". In Metz, Helen Chapin (ed.). Nigeria: a country study. Area Handbook (5th ed.). Washington, D.C.: Library of Congress. pp. 296–297. LCCN 92009026. Retrieved 21 October 2021.
  20. ^ "LIFE IN PN:RANKS". Pakistan Navy Official Website. Retrieved 7 August 2018.
  21. ^ "Rank Insignia". Department of Defence (South Africa). Archived from the original on 18 May 2019. Retrieved 29 May 2021.
  22. ^ "Branches/ Ranks". Sri Lanka Navy. Archived from the original on 19 June 2022. Retrieved 24 September 2021.
  23. ^ "Tonga Defence Services (Amendment) Regulations 2009" (PDF). Tonga Government Gazette Supplement Extraordinary. 5: 151–153. 10 May 2010. Retrieved 26 September 2021.
  24. ^ "Rank Chart (Commissioned Officers)". Trinidad and Tobago Defence Force. Retrieved 27 May 2021.[permanent dead link]
  25. ^ "Shaping your career". Royal Navy. Retrieved 24 September 2021.
  26. ^ a b "U.S. Military Rank Insignia". Department of Defense. Retrieved 13 January 2022.
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Lieutenant (navy)
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