On a few days after the Greek naval victory at Lemnos, First Lieutenant Moutoussis and Ensign Aristeidis Moraitinis were ordered to spot the position of the retreated Ottoman fleet in the Dardanelles with their seaplane, a converted Maurice Farman MF.7. When they reached the Nara naval base they noted down the Turkish ships and installations. Additionally, before they left the area they dropped four bombs, but without inflicting any serious damage or casualties. During the return flight an engine failure forced them down in the Aegean Sea and they were finally collected by the crew of the nearby . This operation is regarded as the first naval-air operation in military history and was widely commented upon in the press, both Greek and international.Moutoussis also participated in the Macedonian front of World War I as well as in the Greco-Turkish War (1919–1922), where he was positioned in Proussa Air Field.