Nomura subsequently served on a large number of vessels in the early Japanese navy,including the gunboat Tatsuta,cruiser Chiyoda,the gunboat Manshu and cruiser Aso.
Promoted to lieutenant on 1 December 1913,he was assigned to the destroyer Yayoi,followed by the destroyers Kashiwa,and his first command,the destroyer Shirakumo. Nomura was promoted to lieutenant commander on 1 December 1919. He graduated from the Naval Staff College with honors in 1920. He subsequently served in a number of staff positions,including that of naval attaché to Germany from August 1922 to September 1924. After his return to Japan,he was promoted to commander on 1 December 1924.[1]
In April 1927,Nomura was part of the Japanese delegation to the Geneva Naval Conference. He became a captain on 10 December 1928,and assumed command of the submarine tenderChōgei in December 1928. Nomura visited Germany again during most of 1929,and was part of the Japanese delegation to the London Naval Treaty talks. After his return to Japan,he assumed command of the cruiser Haguro,followed by the aircraft carrierKaga from February 1932-October 1933. In 1934,he was Commandant of the Submarine School.
Nomura was sent as naval liaison to Europe as part of Japan's participation in the Tripartite Pact from November 1940 to August 1943,and was stationed in Berlin as a naval attaché. During his time in Germany,he was active in attempting to procure the latest in military technology for Japan,especially developments pertaining to submarines and aircraft.[2] He returned to Japan on the U-boat U-511,which was presented to Japan by Adolf Hitler and commissioned into the Imperial Japanese Navy as the Ro-500.[3]
After his return to Japan,Nomura was briefly commander in chief of the Kure Naval District. On 1 March 1944,he was promoted to admiral.
Nomura was the center of a controversy in 1971,when he headed a group of Japanese war veterans in an attempt to recover the destroyer Yukikaze after it had been sold for scrap by the Republic of China Navy. He only managed to recover the steering wheel.[citation needed]
Billings, Richard N. (2006). Battleground Atlantic: How the Sinking of a Single Japanese Submarine Assuredthe Outcome of World War II. NAL. ISBN0-451-21766-7.
Boyd, Carl (2002). Hitler's Japanese Confidant: General Oshima Hiroshi and Magic Intelligence, 1941–1945. University Press of Kansas. ISBN0-7006-1189-4.
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