U.S. Army Maj. Tom O’Keefe (Left), assigned to the North Central Cyber Protection Center, a unit part of the Army Reserve Cyber Operations Group (ARCOG), 335th Signal Command (Theater), and Sgt. 1st Class Matthew R. Wagner (Right), a senior information systems analyst with the North East Cyber Protection Center, also part of the ARCOG, participate in a training exercise during the Cyber X-Games, hosted by the ARCOG, June 16 at Carnegie Mellon University. Cyber X-Games 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)