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First Lieutenant
Affiliation: Colonial Marine Corps
Higher Rank: Marine Captain
Lower Rank: Second Lieutenant

First Lieutenant is a junior Colonial Marine Corps officer rank, above Second Lieutenant and below Marine Captain. First Lieutenants generally serve as platoon commanders, as second in command of a company, or as adjutants to senior officers.

Colonial Marines Officer Ranks
Officer Cadet Ensign Second Lieutenant First Lieutenant Captain Major Lieutenant Colonel Colonel Major General Lieutenant General General
For the Colonial Marines Enlisted rank structure click here