This article is about the UNSC rank. For other uses, see Lieutenant (disambiguation).

Lieutenant Affiliation UNSC Navy Higher Rank Lieutenant Commander Lower Rank Lieutenant, Junior Grade Known Lieutenants W.K. Davidson Dominique Bethany Durruno Frye Rick Hale Hall Elias Haverson Akita Hikowa Jaggers "Cookie" Peterson Joe Yang Badia Campbell Rai Li Dante Kirtley Jacob Keyes Miranda Keyes Niraj Shah Downs Wagner Taylor William Lovell Jorgenson Demos SPARTAN-B312 ('Noble Six') Hencheck Prosser Dorsey Priselkov Austen

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Lieutenant is a junior commissioned officer rank in the UNSC Navy, equal in rank to Captain in the UNSC Marine Corps , the UNSC Air Force, and in the UNSC Army.

Title

This rank is sometimes referred to as "Full Lieutenant" to distinguish it from the subordinate rank of Lieutenant, Junior Grade. Informally, Lieutenants are often addressed as "L.T." or "El Tee".

While Lieutenant is a rank specific to the UNSC Navy, the title "Lieutenant" is often used to refer to several ranks in the UNSC Defense Force:

Navy

• Lieutenant
• Lieutenant, Junior Grade

Marine Corps, Air Force, and Army

• First Lieutenant
• Second Lieutenant