"Colin Walton, a network engineer at Joint Task Force Civil Support (JTF-CS), participates in the command's first tactical satellite (TACSAT) communication exercise (COMMEX) of the new year January 15, 2019 at Felker Army Airfield on Fort Eustis in preparation for exercise Sudden Response 19 (SR19) held on January 24-30. SR19, held at Fort Bragg, NC this year, is a command-led exercise that tests JTF-CS and Defense Chemical, Biological, Radiological and Nuclear (CBRN) Response Force (DCRF) capabilities to response to a catastrophic CBRN event. When directed, JTF-CS is ready to respond in 24 hours to provide command and control of 5,200 federal military forces located at more than 36 locations throughout the nation in support of civil authority response operations to save lives, prevent further injury and provide critical support to enable community recovery. (Official DoD photo by David ""Rick"" George/released)"