The Chetniks in the Balkan Wars, were paramilitary groups issued of the Serbian Chetnik Organization which, after fighting in the Macedonian Struggle, came under the supervision of the Royal Serbian Army as auxiliary force. During the Balkan Wars, the Chetniks detachments were used as a vanguard to soften up the enemy forward of advancing armies, for attacks on communications behind enemy lines, as field gendarmerie and to establish basic administration in occupied areas. They were used in both Balkan Wars.