Commander of the 21st Theater Sustainment Command Maj. Gen. Jack O’Conner (far left) speaks with a convoy security element from the Headquarters and Headquarters Company, 18th Combat Sustainment Support Battalion,16th Sustainment Brigade, before they depart on water resupply mission to Austrian Forces at the Hohenfels Training Area. The 18th CSSB is a main logistics support for exercise Combined Resolve II. (U.S. Army photo by 1st Lt. Henry Chan, 16th Sustainment Brigade, 21st Theater Sustainment Command Public Affairs)