Command Group

LTC Bret A. Tecklenburg
U.S. Army Marksmanship Unit, Fort Benning, Ga.

LTC Tecklenburg began his career as a UH-1 (Huey) helicopter crew chief and mechanic with duty assignments at Ft. Benning, Georgia; Sinai, Egypt and, Ft. Polk, Louisiana where he served in school support, peace keeping and medical evacuation units.

He graduated from Auburn University at Montgomery and was commissioned in June 1996. He is a graduate of the Infantry Officer Basic and Advanced Courses, the Combined Arms Service and Staff School, and the Air Command and Staff College, where he earned a Masters degree. He also earned a Masters from Louisiana State University in December of 2006.

LTC Tecklenburg’s past assignments include Rifle Platoon Leader and Company Executive Officer, 1st Battalion, 9th Infantry at Camp Hovey, Korea; Rifle Platoon Leader, Support Platoon Leader and Battalion S4, 1st Battalion, 501st Parachute Infantry Regiment, 173rd Infantry Brigade at Fort Richardson, Alaska; Assistant S3, Rifle Company Commander and Headquarters and Headquarters Company Commander, 2nd Battalion, 187th Infantry, 3rd Infantry Brigade at Fort Campbell, Kentucky; Observer Controller (OC) Platoon Senior OC,

Company Senior OC, Assistant Operations OC, Operations OC, and Tactical Feedback Facility Officer for Task Force-2 at the Joint Readiness Training Center at Fort Polk, Louisiana; Battalion Operations Officer and Battalion Executive Officer, 1st Battalion, 187th Infantry, 3rd Infantry Brigade at Fort Campbell, Kentucky; Branch Chief, Division Chief and Operational Planner in the J3 at the Joint Special Operations Command (JSOC). LTC Tecklenburg’s operational deployments include three tours to Afghanistan in support of Operation Enduring Freedom, three tours to Iraq in support of Operation Iraqi Freedom, and for Afghanistan and Iraq he served in both infantry brigade and special operations assignments.

His awards and decorations include the Bronze Star Medal for Valor, the Bronze Star Medal, the Defense Meritorious Service Medal, the Meritorious Service Medal, the Joint Service Commendation Medal, the Army Commendation Medal for Valor, the Army Commendation Medal, the Army Achievement Medal, the Joint Meritorious Unit Award, the Valorous Unit Award, the Global War on Terrorism Expeditionary Medal with Arrowhead device, the NATO Medal, the Senior Parachutist Badge, Air Assault Badge, Combat Infantryman Badges and the Ranger Tab.


Sgt. Maj. William H. Koller, Jr.
Command Sergeant Major
U.S. Army Marksmanship Unit, Fort Benning, Ga.

Sgt. Maj. William H. Koller Jr, the Command Sergeant Major of the U.S. Army Marksmanship Unit, Fort Benning, Ga., has distinguished himself through his many accomplishments.

CSM Koller joined the Army in December 1982. He was assigned to Bravo Company 1/75th Ranger Battalion where he served in all positions from Rifleman to Squad Leader until June of 1989.
He served as a Squad Leader/Instructor at A Company 5th Ranger Training Battalion (Mountain Phase Ranger School) until June 1993.

He served as a Platoon Sergeant in A Company 1/504th Parachute Infantry Regiment until September 1996.
He served as the Senior Instructor/ Platoon Sergeant for C Company 6th Ranger Training Battalion (Florida Phase Ranger School) until August 1999. He served as the Brigade S2 NCOIC, Operations NCOIC, First Sergeant for the D Company and
C Company 1/325th Airborne Infantry Regiment as well as the HHC Brigade 1SG for the 325th AIR until November 2004.

He served as a Ground Investigator at the United States Army Combat Readiness Center until November 2005.
He was reassigned to the 1-307th INF. REGT. (STRYKER) until 1 January 2008 as the Battalion Sergeant Major at Fort Indiantown Gap, PA. while transforming the 56TH SBCT PAARNG for deployment.
He was then assigned to 1st Infantry Division HQs DHHB as the G3 Assistant Operations Sergeant Major.
In December 2008 he was reassigned to the 2-34 AR BN, 1st BDE, 1st Infantry Division as the Battalion Operations Sergeant Major.

Schools –Airborne, Jumpmaster, Ranger, Pathfinder, Scout Sniper, Counter Sniper, Special Operations Training (SOT), Jungle Operations Training School, Italian Alpine School, Mountain Warfare Training School, Survival Evasion Resistance Escape (SERE),NBC School (secondary MOS), 7th Group Demo MTT, Anti-terrorist Driving Course, Soviet and Chinese Anti-terrorist course, Accident Investigation Course, PLDC, BNCOC, ANCOC, 1SGs Academy, Sergeant Major Academy.

Awards/Decorations –Bronze Star Medal (2), Meritorious Service Medal (4OLC), ARCOM (6OLC), AAM (3OLC), Presidential Unit Citation Award(1), Valorous Unit Award (2), Good Conduct Medal (9), National Defense Service Ribbon (2), Kosovo Campaign Medal (1CS), Afghanistan Campaign Medal (2CS), Iraq Campaign medal (2CS), Global War on Terrorism Service Medal, Global War on Terrorism Expeditionary Medal, NCO Professional Development Ribbon (4), Army Service Ribbon, Overseas Service Ribbon (2), Armed Forces Expeditionary Medal w/ Arrowhead, NATO Medal (2)
Combat Infantry Badge (2), Expert Infantry Badge, Pathfinder Badge, Master Parachutist Badge (W/CBT Bronze Star), Ranger Tab.

All video, text, logos, and other materials found at this web site are owned by the United States Army. Unless otherwise states, these materials may not be reproduced, copied, or re-used without the express written consent of the United States Army Marksmanship Unit, Fort Benning, Georgia. © USAAC. All Rights Reserved. Privacy Policy