Master Sgt. Doug Obeldobel and Tech. Sgt. Andrew Wilson, client systems work center supervisor with the 911th Communications Squadron, participate in Cyber Tepper, a cyber exercise hosted by Carnegie Mellon University, at the Pittsburgh International Airport Air Reserve Station, Pennsylvania, Nov. 4, 2016. This exercise was a collaborative effort between Maj. Geoffrey Dobson, officer in charge of cyber assurance with the 911th CS, who works for the CERT division of the Software Engineering Institute at CMU, and Jerro Guo, PhD student with the Tepper School of Business. (U.S. Air Force photo by Senior Airman Beth Kobily)