U.S Air Force Capt. Matthew Kanning, executive officer for the 2nd Mission Support Group, and Benjamin Williamson, STARBASE 2.0 coordinator, help visitors to the 2019 Defenders of Liberty air show perform a science experiment during the air show at Barksdale Air Force Base, Louisiana, June 18, 2019. STARBASE 2.0 is a Department of Defense initiate where students local to Barksdale engage in a Science, Technology, Engineering and Math (STEM)-based curriculum in a hands-on environment sponsored by the 307th Bomb Wing. (U.S. Air Force photo by Staff Sgt. Callie Ware)