Garrison Commander

Col. Mark McClellan took command of U.S. Army Garrison – Fort Hood on July 11, 2025. Prior to that he served as the director of the Department of Tactics, Training, and Doctrine, Maneuver Center of Excellence, at Fort Benning, Georgia.
McClellan has held previous command and staff officer positions with the 4th Battalion, 64th Armored Regiment, 3rd Infantry Division; the Directorate of Admissions at West Point; the 4th Infantry Division and the 77th Armored Regiment, 3rd Brigade Combat Team, 1st Armored Division. He was also a professor of military science at New Mexico State University Army ROTC in Las Cruces, New Mexico.
McClellan has completed three combat deployments in support of Operation Iraqi Freedom (2003, 2005, 2007-08). He also deployed to Kuwait twice, once in support of  Operation Desert Spring (2002-2003) and once in support of Operation Spartan Shield (2015), as well as to the Republic of Korea (2018-2019).
He received his commission as an armor officer from the United States Military Academy with a Bachelor of Science in history in 2001. Additionally, he graduated from the Armor Officer Basic Course in 2002, the Infantry Captain’s Career Course in 2006, the Naval Postgraduate School with a Master of Business Administration in 2010, the Command and General Staff Officers Course in 2013, and the Air War College with a Master of Strategic Studies in 2023.
His awards and decorations include the Bronze Star Medal with four oak leaf clusters, the Meritorious Service Medal with five oak leaf clusters, the Army Commendation Medal with V device and two oak leaf clusters, the Army Achievement Medal with one oak leaf cluster, and the Presidential Unit Citation. He has earned the Combat Action Badge.