Active US Army, Air Force, and Marine Corps First Lieutenant rank insignia.

Cadet First Lieutenant is a Junior Reserve Officers Training Corps rank.

Junior ROTC[]

The grade of Cadet First Lieutenant (C/1st Lt) is the second cadet officer grade for AJROTC, AFJROTC, and MCJROTC. A 1st Lt usually commands a large flight or Platoon of about 15-20 cadets. At this grade they may also become a cadet executive officer. They may also serve as an aerospace education or emergency services officer.

Cadet First Lieutenants are to be referred to as "Lieutenant" (or "Sir/Ma'am") by other cadets and "Cadet" by Instructors.