Promoted to Sub-Lieutenant on 29 March 1910, he fought in the First Balkan War of 1912–13 on board the battleship "Psara", participating in the battles of Elli and Lemnos and the liberation of various Aegean islands. he was further promoted to Lieutenant on 2 June 1913, a few days before the outbreak of the Second Balkan War against Bulgaria, in which he fought on land with the 29th Naval Landing Detachment. On 16 July 1913 he was promoted to Lieutenant First Class.