[4] The task of Čolak Antić and his Chetnik companies was to act as the vanguard of the Royal Serbian Army in Macedonia facing the Ottoman forces.

[7] Following the invasion of Serbia, and the start of the First World War, Čolak-Antić served with the Operations Department of the Third Army Headquarters until March 1915, before being sent to the Military Delegation in Romania as intelligence officer.

For the next two years Čolak-Antić served in the Operations Department of the Headquarters of the Third Army and as adjutant to the Minister of Defence in Shkoder, Corfu and Thessaloniki.

[1] Following the liberation of the country, after serving with the Operational Department of the Second Army's staff, he returned to the Higher Military School in Paris as a cadet.

[9] In 1927, after serving as acting commander of the VIII Cavalry Regiment, he was promoted to Colonel and appointed military attaché in Poland.