Command Sergeant Major, United States Army Combined Arms Center

Command Sgt. Maj. Turnbull enlisted in the Army in August 1984 as an Infantryman from Boston, Massachusetts.

After completion of Basic Training and Advanced Individual Training at Ft. Benning, Ga., he was assigned to the 3rd U.S. Infantry Regiment (The Old Guard).

Command Sgt. Maj. Turnbull has served in every key leadership position in the Infantry from Team Leader to Command Sergeant Major. His assignments include 5/20th Infantry, 2nd Infantry Division, Camp Casey, Korea, 2/22nd Infantry,10th Mountain Division, Ft. Drum, N.Y., 2nd Ranger Battalion, Ft. Lewis, Wash., where he served as Squad Leader through Bravo Company First Sergeant, as well as Detachment Sergeant, 75th Ranger Regimental Reconnaissance Detachment, (RRD), Ft. Benning, Ga. Command Sgt. Maj. Turnbull participated in Operation Restore Democracy in the Republic of Haiti and Operation Safe Haven in the Republic of Panama with the Ranger Regiment.

Upon graduation from the Sergeants Major Course, in 2001, Command Sgt. Maj. Turnbull served as the Operations Sergeant Major for 3/21 Infantry, SBCT, Ft. Lewis, Wash., he was then assigned as the Command Sergeant Major of 1/501st Parachute Infantry Regiment, Ft. Richardson, Alaska. He deployed with the Task Force to Afghanistan from October 2003 to August 2004 in support of Operation Enduring Freedom. In January 2005, he was selected as the Brigade Command Sergeant Major for the newly activating 4th Brigade Combat Team (Airborne) 25th Infantry Division, Ft. Richardson, Alaska. Command Sgt. Maj. Turnbull deployed with the Spartan Brigade for fourteen months to Iraq from October 2006 to December 2007. From 2008 until 2012 he served as the Command Sgt. Maj. US Army Alaska. In July 2012, he was selected as the Command Sgt. Maj. for Joint Force Headquarters-National Capital Region/ U.S. Army Military District of Washington where he served until March 2015.

Command Sgt. Maj. Turnbull’s military education includes all noncommissioned officer education system courses. He is a graduate of the U.S. Army Sergeants Major Academy (class 52). His additional military training include the First Sergeant Course, Ranger School, Airborne School, Military Free Fall Parachutist Course, Jumpmaster School, SERE School, Air Assault School, Pathfinder School, and the (Keystone) Command Senior Enlisted Course, Command Sgt. Maj. Turnbull’s civilian education includes a Bachelor of Science degree from Excelsior College.

Command Sgt. Maj. Turnbull’s awards and decorations include the Legion of Merit w/2 OLCs, Bronze Star Medal w/OLC, Meritorious Service Medal w/3 OLCs, Army Commendation Medal w/3 OLCs, Army Achievement Medal w/2 OLCs, Joint Meritorious Unit Award, Army Superior Unit Award w/OLC, Army Good Conduct Medal (10th award), National Defense Service Medal, Armed Forces Expeditionary Medal, Iraq Campaign Medal w/1 star, Global War on Terrorism Expeditionary Medal, Global War on Terrorism Service Medal, Korean Defense Service Medal, Humanitarian Service Medal w/1 star, NCO Professional Development Ribbon (4th award), Army Service Ribbon, Overseas Service Ribbon (4th award), Ranger Tab, Combat Infantryman Badge, Expert Infantry Badge, Pathfinder Badge, Master Parachutist Badge, Military Freefall Parachutist Badge and Air Assault Badge.