These are smaller groups of people who have other obligations to help GAO than just fighting. They do all kinds of things trying help our cause. GAO command must have constant update on their work and dealings.
They are not meant for real war. They serve both behind and on the front lines trying to furfill their duties. If the are deployed inot battle and they are fighting an enemy that relates to their purpose or specilization they are given full command of the army. But must reliquish strategic rights to the highest ranking strategic advisers, however the advisers must take into account the Support Group's knowlegde