Participants at Cyber Guard 2016 work through a June 16, 2016, training scenario during the nine-day exercise in Suffolk, Va. Air Force Brig. Gen. Charles Moore, the Joint Staff’s deputy director of global operations, told Congress June 22 that Cyber Guard and exercises like it test the abilities of Cyber Mission Force teams to defend Defense Department networks. DoD photo by Navy Petty Officer 2nd Class Jesse A. Hyatt