Master Sergeant Byron Yerzy currently serves as the band's first sergeant. Within his 20+ years in the band, he has filled several administrative rolls, and has been designated principal trombone with the concert band, lead trombone in the jazz ensemble, and previously was leader of the "Brass Wings" brass ensemble. MSgt Yerzy's accomplishments include being awarded the 2006 129th Rescue Wing's "First Sergeant of the Year".
In his civilian life, MSgt Yerzy has been teaching elementary and high school bands in the Central valley of California for almost 30 years, where he also freelances as a musician with a variety of musical groups.