 On 1 October 2010, U.S. Army Cyber Command (ARCYBER) was formed as the Army service component command supporting U.S. Cyber Command, commanded by Lt. Gen. Rhett A. Hernandez.On 6 March 2014, Army headquarters activated Second Army as a direct reporting unit of Army CIO/G-6 with Commander, ARCYBER, dual-hatted as the Second Army Commander.The history of the Second Army began as a fighting army on the battlefields of France in the waning days of World War I.