The Vanguard Squadron flies a dazzling four ship formation aerobatic airshow powered by ethanol. The Vanguard Squadron has been ethanol powered since the team began flying together in 1993. Ethanol adds power and performance to the Squadron’s aircraft without any major engine modifications. The team has over 3,000 flight hours using 100% ethanol. The Squadron shares their love for flying and raising ethanol awareness by flying airshows across the country.