Mar. 1928-   Naval Academy (56th Class)
Nov. 1929-   Sub-Lieutenant, 2nd Class
Dec. 1931-   Sub-Lieutenant, 1st Class
Nov. 1934-    Lieutenant
Dec. 1938-    Submarine School "Otsu" course (Submarine Officers)
Mar. 1939-   Submarine RO-58
Jun.  1939-   Submarien I-8, Communication Officer
Nov. 1939-    2nd Submarine Squadron, Staff Officer (Communication)
Nov. 1940-    Lieutenant Commander
Jul.   1941-   Submarine School "Ko" course (Submarine Commander)
Oct.  1941-   Commanding Officer of Submarine RO-59
Jan.  1942-   Commanding Officer of Submarine I-168
Jun.  1942-   Commanding Officer of Submarine I-176
Mar. 1943-   Attached to the Yokosuka Naval Station
Jul.   1943-   Instructor of Submarine School
May  1944-   Commander
Jun.  1945-   Special Ordnance Section
Aug. 1945-    Attached to the Naval General Staff
Nov. 1945-    Reserved
Outline of Commander Yahachi Tanabe's  Naval Career ("D"205)
Courtesy of: Military History Department; National Institute for Defense Studies; Tokyo 153 Japan
Credits:Thank you
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