two years he worked in various Navy Yards and Submarine Works as naval architect. In the winter of 1916, he wrote a book in Chinese on Submarine Construction, which was published by the Commercial Press, Shanghai. Early in 1917, Commander Chu was deputed by the Ministry of Navy to participate in watching the Great European Conflict, being attached to the Second of the Grand Fleet of Great Britain and the fleets of France and Italy, visiting practically all the important scenes of war both on land and In recognition of his services with the Grand Fleet, the British government has conferred on Commander Chu the Distinguished Service Order. In the winter of 1918, Commander Chu was appointed Assistant-Naval Attache to the Chinese Legation in London. In the following year, he served on the Committee on Naval Affairs at the Paris Peace Conference. As one of the commissioners to inspect the autumn manoeuvres of Japan, Commander Chu went to Japan in the fall of 1919. Upon his return, he was attached to the Bureau of Naval Affairs of the Ministry of Navy, with the rank of sectional chief, holding concurrently the office of special commissioner at Shanghai of the Department of Aeronautics. In the Spring of 1920, Commander Cha was delegated by the Chinese government to welcome the Italian Army aviators engaged in the Rome-to-Tokio flight. In February 1921, he was appointed acting Councillor of the government Aeronautic Bureau and concurrently chief of the general affairs department of the same bureau. In December 1922, he was appointed superintendent of the Kiaochow Customs, which position he is still holding. He was awarded the Second Class Tashou Chiaho in January 1923.
