Lt. Gen. Rhett A. Hernandez was commissioned as a second lieutenant of Artillery from the United States Military Academy, West Point, New York on 2 June 1976.
His commands have ranged from the Battery level with 2nd Battalion, 33rd Field Artillery and 1st Battalion, 5th Field Artillery to Battalion level with 1st Battalion, 14th Field Artillery, later re-designated 3rd Battalion, 16th Field Artillery to Brigade level command as the Commander of Division Artillery, 4th Infantry Division (Mechanized), Fort Hood, Texas.
He also served as the Assistant Division Commander (Support), 1st Armored Division, United States Army Europe and Seventh Army, Germany and Operation Iraqi Freedom, and the Commanding General, United States Army Human Resources Command, Alexandria, Virginia. His current assignment is as the Commanding General, U.S. Army Cyber Command / Second Army at Fort Belvoir, Virginia.
In additional to his command time, Lt. Gen. Hernandez has also served in numerous key staff assignments to include Strategic Planner, Officer Personnel Management System (OPMS XXI) Task Force, Alexandria, Virginia; Chief, Operations Division, J-39, The Joint Staff, Washington, DC; Director, Officer Personnel Management Directorate, United States Army Human Resources Command, Alexandria, Virginia; Chief, United States Military Training Mission Saudi Arabia, United States Central Command, Riyadh, Saudi Arabia and Assistant G-3/5/7, United States Army, Washington, DC.
Lt. Gen. Hernandez holds a Bachelor of Science degree from the United States Military Academy, a Master of Engineering degree in Systems Engineering from the University of Virginia, and a Masters of Science degree in National Security and Strategic Studies from the National War College, Fort Lesley J. McNair, Washington, D.C.
His awards and decorations include the Distinguished Service Medal (2nd Award), Defense Superior Service Medal (2nd Award), Legion of Merit (2nd Award), Bronze Star, Meritorious Service Medal (5th Award), Army Commendation Medal (5th Award), Army Achievement Medal (2nd Award), Combat Action Badge, Joint Chiefs of Staff Identification Badge, and the Army Staff Identification Badge.