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 embroidered 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 design displays two chevron. This rank patch is sold as a pair, sews onto the shoulders of the uniform, and is 100% made in the USA. Each patch measures 3 3/4 inches.