Valentina Olaya (left), helps Josue Samudil (right), son of U.S. Air Force Staff Sgt. Brittany Coleman, military pay technician with the 145th Comptroller Flight, with building his model rocket during a lesson held at the North Carolina Air National Guard Base, Charlotte-Douglas International Airport, June 18, 2018. The children are part of the annual Department of Defense STARBASE summer camp program and learn various applications of science, technology, engineering, and math.