Airman First Class (A1C) is the third enlisted rank in the UNSC Air Force, immediately below Senior Airman, and above Airman. The pay grade for Airman is E-3. It is equal to an Army Private First Class, Marine Lance Corporal, or Navy Crewman.
Promotion to A1C occurs upon one or more of the following: 10 months time in the grade of Airman (or earlier for airmen with specific specialties), or agreeing to an extended length enlistment (normally at least 6 years). An A1C is considered to be fully adjusted to military life and his or her duties focus on honing job skills.
Because of their two stripes, an Airman First Class is often nicknamed "Dragonfly Wings."