World Disarmament Conference
On 14 May 1927, he was given his first command: the destroyer . After graduation from Naval Staff College in 1927 and promotion to lieutenant commander, he was assigned as naval attaché to France, where he remainder until June 1932. During this period, he was also part of the Japanese delegation to the World Disarmament Conference in Geneva Switzerland. After his return to Japan, he was assigned as chief navigator to the . From May 1933 onwards, he held various staff posts. He was promoted to commander on 15 November 1934 and captain on 15 November 1938.