The Air Force Airman First Class Rank abbreviated AC1, is the third enlisted rank in the Air Force and ranks above Airman and below Senior Airman. This pin design includes two silver chevrons outlined in blue with an encircled star in the center. Airmen First Class is often referred to as "Dragonfly Wings" because the pin displays two chevron. This rank pin is sold as a pair with a pin clutch backing and is 100% made in the USA. The pin measures 1 1/8 inches.