Special Troops Battalion

The Official Website of the 21st TSC's Special Troops Battalion

About Us

MISSION: The STB executes essential personnel services and human resources support; provides military justice, training, logistics, airdrop and religious support (with the Chaplain); and executes all other functions as directed in order to enhance the 21st TSC's ability to complete its assigned missions.

VISION: We strive to build and sustain effective and efficient teams of trained and ready Soldiers committed to mission excellence.

Headquarters and Headquarters Company (HHC) "Rock Steady"

Headquarters and Headquarters Company, 21st Special Troops Battalion, provides mission command and life support for the 21st STB. On order, the HHC supports individual and group deployments of Soldiers within HHC to all AORs. The HHC assists the TSC directorates with all tasking logistical needs while providing continuous sustainment for approximately 740 Soldiers, Department of the Army Civilians and Local Nationals.



Lieutenant Colonel Jason A. Berdou

is the Commander, Special Troops Battalion. Berdou received his commission in 1999 as a second lieutenant in the Transportation Officer Corps upon graduating from The University of Texas at San Antonio with a Bachelor of Business Administration in Human Resource Management.

Read more…

Command Sergeant Major


Command Sgt. Maj. Defarreo D. Poole

is the Command Sergeant Major, Special Troops Battalion. Poole joined the United States Army as a 76C PLL/TAMMS Specialist in 1989. He attended Basic Combat Training in Fort Leonardwood, Missouri, and Advanced Individual Training at Fort Lee, VA.