The Air Force Senior Airman Rank (SrA) is the fourth, and highest, enlisted rank in the US Air Force. A Senior Airman's responsibilities include being proficient in their technical abilities, developing leadership skills, supervising airman of a lesser rank, and completing a 6-week academic program at the Airman Leadership School (ALS). This pin design includes three silver chevrons outlined in blue with an encircled star in the center. 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.