The camp is a unit belonging to a section, just like the other units except the HQ, but which benefits all the players of the company within which the owner is. Indeed, the new units bought by a subordinate appear on the nearest camp of his chief.
Thus, That obliges the companies to stay together. If it is not the case, new units are delivered farr from the commander. If the company does not have a camp, all the bought units are delivered at the HQ.
The camp is also able to cure units.