Command Sergeant Major (Ret.) Charles T. Jarrell, III joined the military in 1985 and served 31 years in the US Army, 27 years in Special Operations. Upon completing the Special Forces Qualification Course, he was assigned to 7th Special Forces Group and immediately deployed in support of Operation JUST CAUSE in Panama. While in the 7th Special Forces Group, CSM Jarrell served in a variety of staff and leadership positions with numerous deployments to Central and South America.

Having served three years as a Special Forces Team Sergeant, CSM Jarrell was selected to lead an Unconventional Warfare Training Cell designed to teach and manage special operations techniques and other unconventional skills. He served as Program Manager and liaison with the Defense Threat Reduction Agency (DTRA) in the development of exercises and real-world operations for classified and unclassified missions to test vulnerabilities of the National Command and Control Architecture. CSM Jarrell received recognition for his actions during September 11, 2001.

In 2002, CSM Jarrell served in the CJSOTF Operational Control Element for Operation ENDURING FREEDOM in Afghanistan. Upon his return, he served as the Company First Sergeant over the advanced skills which needed updating for current wartime relevance. In 2004, CSM Jarrell served as one of 18 personnel for a joint inter-agency isolation planning event in support of POTUS priority intelligence requirements prior to the Iraq invasion.

In 2005, CSM Jarrell served in a Special Mission Unit focused on support of Operation IRAQI FREEDOM. He conducted six rotational deployments to Iraq in support of a Special Mission Unit Task Force. In 2009, CSM Jarrell was selected to be the first CSM of the JSOC Intelligence Brigade (JIB), where he served as the Senior Enlisted Advisor of 500+ personnel, including sister services, foreign nationals, and subordinate supervisors, with the operational mission to support the National Mission Force and Special Mission Units worldwide.

From 2012 until his retirement in 2016, CSM Jarrell served as the US Army Special Operations Command (USASOC) G3 SGM. As the senior enlisted advisor for the US Special Operations Command (USSOCOM) Operations Director, CSM Jarrell had oversight and management of operations in more than 60 countries simultaneously.