Brig. Gen. Les J. Carroll, commanding general of the

Brig. Gen. Les J. Carroll, commanding general of the 4th Expeditionary Sustainment Command and Joint Sustainment Command–Afghanistan, speaks during the JSC-A transfer of authority ceremony, July 25, at Kandahar Airfield, Afghanistan. The 4th ESC, a U.S. Army Reserve unit headquartered in San Antonio, Texas, assumed responsibility of JSC-A from the 184th Expeditionary Sustainment Command, a Mississippi Army National Guard unit headquartered in Laurel, Miss. The 4th ESC will be in charge of sustainment operations for U.S. and coalition forces throughout Afghanistan.