 Complete the following phrase:  Putnik was rehabilitated following the coup detat against Alexander I Obrenović in 1903. Under the new king of Serbia, Peter I Karadjordjević, he was promoted to the rank of general and appointed as the Chief of the General Staff. He then proceeded to reorganize the Serbian army by retiring old and promoting new officers, and updating outdated war plans. Putnik was Serbian Minister of War three times: 1904, 1906-1908, 1912. Putnik appointed General Živojin Mišić as his deputy. Despite occasional personality clashes, the two men had deep respect for each other. Putnik was the first officer to be appointed to the highest rank of Field Marshal. In 1912, he led the Serbian Army into spectacular victories in the First Balkan War against the Ottomans 