The Corps hq is the hub of your base. It is normally the only building deployed at the start of a battle and provides you with a starting economy. The Corps hq serves as the origin for the rest of your base. All of the other buildings (except for Bunkers) deploy from it, and the most basic technologies can be researched there. Your corps hq is the center of your military command structure. It can research general-application technologies, deploy Supply Depots and construct headquarters for each branch of your armed forces. Builds: Infantry Division hq, Mechanized Division hq, Armored Division hq, Airfield, Airborne Division hq, Engineer Brigade, Motor Pool, Artillery Brigade, Ammo Depot, Oil Depot, Supply Depot



Source: Axis and Allies Official Manual