Approximately 48 U.S. military personnel working in cyber defense representing units from the 335th Signal Command (Theater), the Defense Information Systems Agency, the Pennsylvania National Guard, and the Pennsylvania Air National Guard, gathered for this year’s Cyber X-Games, June 15 at Carnegie Mellon University. Cyber X-Games, hosted by the Army Reserve Cyber Operations Group, 335th SC (T), is a five-day exercise focusing on advanced areas of cyber security training. Cyber X-Games is also part of Cyber Endeavour, the Department of Defense-sponsored conference for military and civilian practitioners from across government, industry and academia to address the nexus of cyberspace and national security. (U.S. Army Reserve photo by Sgt. Erick Yates)