The 11th ADA "IMPERIAL" Brigade is the largest and most deployed Air Defense Organization in the world.



COL Timothy L. Woodruff

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Colonel Timothy L. Woodruff earned a bachelor’s degree in History from Miami University in Oxford, Ohio, and entered the Army in 1995 as a 96B All-Source Intelligence Analyst. After graduating from Officer Candidate School in 1998, he was commissioned as a second lieutenant in the United States Army Air Defense Artillery Branch. Following the ADA Officer Basic Course, Col. Woodruff was assigned as a platoon leader in B Battery, 1st Battalion, 7th ADA, Fort Bliss, Texas, and later assigned to HHB, 1st Battalion, 7th ADA as a Tactical Director and Assistant Operations Officer, deploying to Riyadh, Saudi Arabia, in support of Operation Southern Watch. After completing the ADA Captain’s Career Course in 2002, he then served as an Officer Basic Course Mentor in 4th Battalion, 6th ADA.

In 2003, Col. Woodruff earned his master’s degree in Management from Webster University at Fort Bliss. He was subsequently assigned to 108th ADA as the Assistant Brigade S3 before taking command of A Battery, 2-43 ADA. Following battery command, he was reassigned to the Battle Command Training Program at Fort Leavenworth, Kansas, serving as the ADA Planner for the Opposing Forces. In 2007, he volunteered for a WIAS assignment to serve as the Battalion S-3 for BSB-North at Camp Buerhing, Kuwait. Upon his return from Kuwait, Col. Woodruff returned to the Battle Command Training Program to serve as the Plans Team Chief for Operations Group COE.  Upon graduation from the Command and General Staff College in 2011, Col. Woodruff was selected to serve as the Battalion Executive Officer for 1st Battalion, 7th ADA at Fort Bragg, North Carolina. In 2013, Col. Woodruff moved on to serve as the BMD Sensor Manager and Senior U.S. Army Officer at NATO, Allied Air Command, at Ramstein, Germany.

Col. Woodruff moved on to command 4th Battalion, 3rd ADA “I Strike!”, deploying with his unit to the USCENTCOM AOR in 2016 and briefly served as the Deputy Commanding Officer for 31st ADA Bde in 2018 prior to being assigned as the ADA Organizational Integrator in HQDA G-3/5/7 at the Pentagon. After earning his master’s degree in Strategic Studies from the U.S. Army War College at Carlisle, Pennsylvania, in 2020, he most recently served as the ACoS G-3/5/7 for 32nd Army Air and Missile Defense Command, Fort Bliss, before assuming command of the 11th Air Defense Artillery “Imperial” Brigade.

Col. Woodruff has deployed in support of Operation Joint Guard, Bosnia, in 1997; Operation Southern Watch, Saudi Arabia, in 2001; Operation Iraqi Freedom, Kuwait, in 2007; Operation Spartan Shield, Kuwait, in 2016; and Operation Spartan Shield, Qatar in 2020.

His awards and decorations include the Defense Meritorious Service Medal , Meritorious Service Medal with six Oak Leaf Clusters, Joint Service Commendation Medal, Army Commendation Medal (6 OLC), Army Achievement Medal (4 OLC), Army Superior Unit Award, Army Good Conduct Medal, National Defense Service Medal, Armed Forces Expeditionary Medal (1 Service Star), Global War on Terror Expeditionary Medal (1 SS), Global War on Terror Service Medal, Armed Forces Service Medal, Army Service Ribbon, Overseas Service Ribbon, North Atlantic Treaty Organization Medal, and the Basic Parachute Badge.

Command Sergeant Major

CSM Robert J. Walker

11th ADA Bde CSMCSM Robert J. Walker enlisted in the Army in November 1997 as an Avenger Crewmember.

CSM Walker graduated from Basic Combat Training at Fort Jackson, South Carolina, and Advanced Individual Training at Fort Bliss, Texas, as a 14S Avenger Crewmember. He later reclassified and completed AIT as a 14J (now 14G) Air Defense Battle Management System Operator.

CSM Walker previously served as the Battalion Command Sergeant Major, 1-7 Air Defense Artillery Battalion. Other duty positions include: Operations Sergeant Major, 108th ADA Brigade; Operations Sergeant Major, 2-44 ADA Bn; First Sergeant, Alpha Battery, 2-44 ADA; First Sergeant, Delta Battery, 3-2 ADA; S3 Operations NCOIC, 31st ADA Brigade;  First Sergeant, Bravo Battery, 2-6 ADA; AIT Platoon Sergeant, Bravo, 2-6 ADA; G3 Operations NCO, 32nd AAMDC; Avenger/Stinger Team Observer/Controller, Joint Readiness Training Center; Squad Leader, Delta Battery, 5-5 ADA Bn; Team Leader, ADA Battery, 2nd Armored Calvary Regiment; and Team Leader, Alpha, 3-4 ADAR (Airborne). 

CSM Walker’s stateside tours include Fort Campbell, Kentucky; Fort Sill, Oklahoma; Fort Bliss, Texas; Fort Polk, Louisiana; and Fort Bragg, North Carolina. He also served two overseas tours in Korea. In 1999, he deployed to Kosovo (KFOR) with the 82nd Airborne Division and supported peacekeeping operations in the region. He also served in Afghanistan in support of Operation Enduring Freedom.

CSM Walker’s military education includes the United States Army Sergeants Major Academy Class 67, Advanced Noncommissioned Officers Course (Honor Graduate), the Basic Noncommissioned Officers Course (Honor Graduate), the Primary Leadership Development Course, Combatives Level 1, Joint Fire Power Control Course, Army Retention Course, Airborne School, Air Assault School, Master Resiliency Course, and the Combat Life Savers Course. His civilian education includes an associate degree from Central Texas College and a Bachelor of Science from Excelsior College.

CSM Walker’s awards and decorations include the Bronze Star Medal, the Meritorious Service Medal (5th award), the Army Commendation Medal (14th award), Army Achievement Medal (9th award), the Army Good Conduct Medal (7th award), the National Defense Service Medal, Kosovo Campaign Medal, the Korea Defense Service Medal, the Armed Forces Expeditionary Medal, the Afghanistan Campaign Medal, the Global War on Terrorism Service Medal, the Military Outstanding Volunteer Service Medal, the Noncommissioned Officer Professional Development Ribbon (Numeral 5), the Combat Action Badge, Parachutist Badge, Air Assault Badge, Drivers Badge, the New Zealand Parachutist Badge, the Meritorious Unit Citation, and the Army Superior Unit Award. In 2010, CSM Walker was inducted into the Sergeant Audie Murphy Club.