180315-F-HU835-070
Staff Sgt. Gerardo Salas, 92nd Medical Group Bioenvironmental engineer, helps Dustin Ylitalo, Deer Park Middle School student, with a M50 gas mask at an informational booth during the Eastern Washington Regional Science and Engineering Fair at the Spokane Washington State University campus, Washington, March 15, 2018. Members of Team Fairchild attended the fair to provide visiting students with information about the science, technology, engineering and math related fields that the U.S. Air Force offers. (U.S. Air Force photo/Senior Airman Ryan Lackey)