They carry weapons and ammunition to start the fighting. For the third and largest wave of supplies, the Army has for decades relied on its Theater Army Area Commands. These manage the massive flow of equipment and supplies into the combat theater. Ronald Cussins, an advocate of the new change, in the summer 1998 edition of Army Logistician, the career field's magazine. The Theater Support Command is an attempt to solve these problems.
People know who they're working for, without a doubt.
It's also much easier to tailor the logistics plan to different areas, by pulling specialists as needed. If there's little local fuel, teams that specialize in fuel buoys, pipes and storage tanks can be called in. They deal with issues like port facilities, local diseases, airfields, rail lines and whether the area's bridges can handle heavy military equipment.